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1422000220 = 2251513671283
BaseRepresentation
bin101010011000010…
…0000000001011100
310200002202002120211
41110300200001130
510403013001340
6353034222204
750144542144
oct12460400134
93602662524
101422000220
1166a7558a3
12338284964
131987b2464
14d6bdb924
1584c8d5ea
hex54c2005c

1422000220 has 48 divisors (see below), whose sum is σ = 3016516608. Its totient is φ = 563054400.

The previous prime is 1422000211. The next prime is 1422000233. The reversal of 1422000220 is 220002241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422000220.

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, 1107699 + ... + 1108981.

It is an arithmetic number, because the mean of its divisors is an integer number (62844096).

Almost surely, 21422000220 is an apocalyptic number.

1422000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422000220 is an abundant number, since it is smaller than the sum of its proper divisors (1594516388).

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

1422000220 is a wasteful number, since it uses less digits than its factorization.

1422000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1422000220 is about 37709.4181869729. The cubic root of 1422000220 is about 1124.5183702973.

Adding to 1422000220 its reverse (220002241), we get a palindrome (1642002461).

The spelling of 1422000220 in words is "one billion, four hundred twenty-two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 151 302 367 604 734 755 1283 1468 1510 1835 2566 3020 3670 5132 6415 7340 12830 25660 55417 110834 193733 221668 277085 387466 470861 554170 774932 941722 968665 1108340 1883444 1937330 2354305 3874660 4708610 9417220 71100011 142200022 284400044 355500055 711000110 1422000220