23422224 has 40 divisors (see below), whose sum is σ = 69152320. Its totient is φ = 6691968.

The previous prime is 23422207. The next prime is 23422241. The reversal of 23422224 is 42222432.

It is an interprime number because it is at equal distance from previous prime (23422207) and next prime (23422241).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23422224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34519 + ... + 35190.

It is an arithmetic number, because the mean of its divisors is an integer number (1728808).

Almost surely, 2^23422224 is an apocalyptic number.

23422224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23422224 is an abundant number, since it is smaller than the sum of its proper divisors (45730096).

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

23422224 is a wasteful number, since it uses less digits than its factorization.

23422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69727 (or 69721 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 23422224 is about 4839.6512271030. The cubic root of 23422224 is about 286.1163723529.

Adding to 23422224 its reverse (42222432), we get a palindrome (65644656).

The spelling of 23422224 in words is "twenty-three million, four hundred twenty-two thousand, two hundred twenty-four".