22487488 has 28 divisors (see below), whose sum is σ = 46974760. Its totient is φ = 10651392.

The previous prime is 22487483. The next prime is 22487489. The reversal of 22487488 is 88478422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22487483) 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, 8031 + ... + 10462.

It is an arithmetic number, because the mean of its divisors is an integer number (1677670).

Almost surely, 2^22487488 is an apocalyptic number.

It is an amenable number.

22487488 is an abundant number, since it is smaller than the sum of its proper divisors (24487272).

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

22487488 is a wasteful number, since it uses less digits than its factorization.

22487488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18524 (or 18514 counting only the distinct ones).

The product of its digits is 229376, while the sum is 43.

The square root of 22487488 is about 4742.0974262451. The cubic root of 22487488 is about 282.2584689933.

The spelling of 22487488 in words is "twenty-two million, four hundred eighty-seven thousand, four hundred eighty-eight".