22836961520 has 20 divisors (see below), whose sum is σ = 53095935720. Its totient is φ = 9134784576.

The previous prime is 22836961489. The next prime is 22836961561. The reversal of 22836961520 is 2516963822.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×22836961520² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142730930 + ... + 142731089.

It is an arithmetic number, because the mean of its divisors is an integer number (2654796786).

Almost surely, 2^22836961520 is an apocalyptic number.

22836961520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22836961520 is an abundant number, since it is smaller than the sum of its proper divisors (30258974200).

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

22836961520 is a wasteful number, since it uses less digits than its factorization.

22836961520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285462032 (or 285462026 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 22836961520 in words is "twenty-two billion, eight hundred thirty-six million, nine hundred sixty-one thousand, five hundred twenty".