22040524 has 12 divisors (see below), whose sum is σ = 42077448. Its totient is φ = 10018400.

The previous prime is 22040519. The next prime is 22040531. The reversal of 22040524 is 42504022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250417 + ... + 250504.

It is an arithmetic number, because the mean of its divisors is an integer number (3506454).

Almost surely, 2^22040524 is an apocalyptic number.

It is an amenable number.

22040524 is a deficient number, since it is larger than the sum of its proper divisors (20036924).

22040524 is a wasteful number, since it uses less digits than its factorization.

22040524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500936 (or 500934 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22040524 is about 4694.7336452668. The cubic root of 22040524 is about 280.3758727526.

Adding to 22040524 its reverse (42504022), we get a palindrome (64544546).

The spelling of 22040524 in words is "twenty-two million, forty thousand, five hundred twenty-four".