88022431 has 4 divisors (see below), whose sum is σ = 100597072. Its totient is φ = 75447792.

The previous prime is 88022393. The next prime is 88022471. The reversal of 88022431 is 13422088.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88022431 - 2¹⁹ = 87498143 is a prime.

It is a super-2 number, since 2×88022431² = 15495896718299522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88022431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88022471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6287310 + ... + 6287323.

It is an arithmetic number, because the mean of its divisors is an integer number (25149268).

Almost surely, 2^88022431 is an apocalyptic number.

88022431 is a deficient number, since it is larger than the sum of its proper divisors (12574641).

88022431 is a wasteful number, since it uses less digits than its factorization.

88022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12574640.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 88022431 is about 9382.0270197863. The cubic root of 88022431 is about 444.8338074013.

The spelling of 88022431 in words is "eighty-eight million, twenty-two thousand, four hundred thirty-one".