88222757421 has 32 divisors (see below), whose sum is σ = 122761267200. Its totient is φ = 56286809600.

The previous prime is 88222757417. The next prime is 88222757423. The reversal of 88222757421 is 12475722288.

It is a cyclic number.

It is not a de Polignac number, because 88222757421 - 2² = 88222757417 is a prime.

It is a super-2 number, since 2×88222757421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88222757423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8349940 + ... + 8360498.

It is an arithmetic number, because the mean of its divisors is an integer number (3836289600).

Almost surely, 2^88222757421 is an apocalyptic number.

It is an amenable number.

88222757421 is a deficient number, since it is larger than the sum of its proper divisors (34538509779).

88222757421 is a wasteful number, since it uses less digits than its factorization.

88222757421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429.

The product of its digits is 1003520, while the sum is 48.

The spelling of 88222757421 in words is "eighty-eight billion, two hundred twenty-two million, seven hundred fifty-seven thousand, four hundred twenty-one".