22088213520 has 40 divisors (see below), whose sum is σ = 68473462656. Its totient is φ = 5890190208.

The previous prime is 22088213479. The next prime is 22088213557. The reversal of 22088213520 is 2531288022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22088213520² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 46016872 + ... + 46017351.

Almost surely, 2^22088213520 is an apocalyptic number.

22088213520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22088213520 is an abundant number, since it is smaller than the sum of its proper divisors (46385249136).

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

22088213520 is a wasteful number, since it uses less digits than its factorization.

22088213520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92034239 (or 92034233 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 22088213520 in words is "twenty-two billion, eighty-eight million, two hundred thirteen thousand, five hundred twenty".