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2201022420 = 2235281130547
BaseRepresentation
bin1000001100110000…
…1110111111010100
312200101121112010220
42003030032333110
514001430204140
61002223314340
7105354244662
oct20314167724
95611545126
102201022420
11a2a4687a3
1251514b9b0
13290ccbb3c
1416c465c32
15cd36ebd0
hex8330efd4

2201022420 has 48 divisors (see below), whose sum is σ = 6184842048. Its totient is φ = 584846080.

The previous prime is 2201022403. The next prime is 2201022431. The reversal of 2201022420 is 242201022.

2201022420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2201022420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48414 + ... + 82133.

It is an arithmetic number, because the mean of its divisors is an integer number (128850876).

Almost surely, 22201022420 is an apocalyptic number.

2201022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201022420 is an abundant number, since it is smaller than the sum of its proper divisors (3983819628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201022420 is a wasteful number, since it uses less digits than its factorization.

2201022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130840 (or 130838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2201022420 is about 46915.0553660549. The cubic root of 2201022420 is about 1300.7928930280.

Adding to 2201022420 its reverse (242201022), we get a palindrome (2443223442).

The spelling of 2201022420 in words is "two billion, two hundred one million, twenty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 281 562 843 1124 1405 1686 2810 3372 4215 5620 8430 16860 130547 261094 391641 522188 652735 783282 1305470 1566564 1958205 2610940 3916410 7832820 36683707 73367414 110051121 146734828 183418535 220102242 366837070 440204484 550255605 733674140 1100511210 2201022420