22888424 has 32 divisors (see below), whose sum is σ = 47817000. Its totient is φ = 10198272.

The previous prime is 22888423. The next prime is 22888441. The reversal of 22888424 is 42488822.

22888424 = 747² + 748² + ... + 785².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8584900 + 14303524 = 2930^2 + 3782^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22888423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779 + ... + 6810.

Almost surely, 2^22888424 is an apocalyptic number.

It is an amenable number.

22888424 is an abundant number, since it is smaller than the sum of its proper divisors (24928576).

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

22888424 is a wasteful number, since it uses less digits than its factorization.

22888424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7633 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 22888424 is about 4784.1847790402. The cubic root of 22888424 is about 283.9260866965.

The spelling of 22888424 in words is "twenty-two million, eight hundred eighty-eight thousand, four hundred twenty-four".