22845231 has 6 divisors (see below), whose sum is σ = 32998680. Its totient is φ = 15230148.

The previous prime is 22845223. The next prime is 22845247. The reversal of 22845231 is 13254822.

It is not a de Polignac number, because 22845231 - 2³ = 22845223 is a prime.

It is a super-2 number, since 2×22845231² = 1043809158886722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22845195 and 22845204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22845271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1269171 + ... + 1269188.

It is an arithmetic number, because the mean of its divisors is an integer number (5499780).

Almost surely, 2^22845231 is an apocalyptic number.

22845231 is a deficient number, since it is larger than the sum of its proper divisors (10153449).

22845231 is a wasteful number, since it uses less digits than its factorization.

22845231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538365 (or 2538362 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 22845231 is about 4779.6685031496. The cubic root of 22845231 is about 283.7473742051.

The spelling of 22845231 in words is "twenty-two million, eight hundred forty-five thousand, two hundred thirty-one".