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22210010220 = 2235370166837
BaseRepresentation
bin10100101011110100…
…011101110001101100
32010022212001102100010
4110223310131301230
5330441230311340
614111513333220
71414245654246
oct245364356154
963285042303
1022210010220
119467a76452
12437a107210
13212c5026a8
141109a0b096
1589ecb3b80
hex52bd1dc6c

22210010220 has 24 divisors (see below), whose sum is σ = 62188028784. Its totient is φ = 5922669376.

The previous prime is 22210010203. The next prime is 22210010243. The reversal of 22210010220 is 2201001222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22210010196 and 22210010205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185083359 + ... + 185083478.

It is an arithmetic number, because the mean of its divisors is an integer number (2591167866).

Almost surely, 222210010220 is an apocalyptic number.

22210010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210010220 is an abundant number, since it is smaller than the sum of its proper divisors (39978018564).

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

22210010220 is a wasteful number, since it uses less digits than its factorization.

22210010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370166849 (or 370166847 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22210010220 its reverse (2201001222), we get a palindrome (24411011442).

The spelling of 22210010220 in words is "twenty-two billion, two hundred ten million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 370166837 740333674 1110500511 1480667348 1850834185 2221001022 3701668370 4442002044 5552502555 7403336740 11105005110 22210010220