22504534 has 16 divisors (see below), whose sum is σ = 37935072. Its totient is φ = 9934848.

The previous prime is 22504529. The next prime is 22504541. The reversal of 22504534 is 43540522.

It is a junction number, because it is equal to n+sod(n) for n = 22504499 and 22504508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18219 + ... + 19414.

It is an arithmetic number, because the mean of its divisors is an integer number (2370942).

Almost surely, 2^22504534 is an apocalyptic number.

22504534 is a deficient number, since it is larger than the sum of its proper divisors (15430538).

22504534 is a wasteful number, since it uses less digits than its factorization.

22504534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37671.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 22504534 is about 4743.8943917419. The cubic root of 22504534 is about 282.3297703123.

The spelling of 22504534 in words is "twenty-two million, five hundred four thousand, five hundred thirty-four".