88222431 has 24 divisors (see below), whose sum is σ = 132072192. Its totient is φ = 52320400.

The previous prime is 88222429. The next prime is 88222439. The reversal of 88222431 is 13422288.

It is not a de Polignac number, because 88222431 - 2¹ = 88222429 is a prime.

It is a super-2 number, since 2×88222431² = 15566394663099522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88222439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14476 + ... + 19646.

It is an arithmetic number, because the mean of its divisors is an integer number (5503008).

Almost surely, 2^88222431 is an apocalyptic number.

88222431 is a deficient number, since it is larger than the sum of its proper divisors (43849761).

88222431 is a wasteful number, since it uses less digits than its factorization.

88222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5232 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 88222431 is about 9392.6796495995. The cubic root of 88222431 is about 445.1704619847.

The spelling of 88222431 in words is "eighty-eight million, two hundred twenty-two thousand, four hundred thirty-one".