22542506 has 8 divisors (see below), whose sum is σ = 38644320. Its totient is φ = 9661068.

The previous prime is 22542479. The next prime is 22542539. The reversal of 22542506 is 60524522.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 805076 + ... + 805103.

It is an arithmetic number, because the mean of its divisors is an integer number (4830540).

Almost surely, 2^22542506 is an apocalyptic number.

22542506 is a deficient number, since it is larger than the sum of its proper divisors (16101814).

22542506 is a wasteful number, since it uses less digits than its factorization.

22542506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610188.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 22542506 is about 4747.8949019539. The cubic root of 22542506 is about 282.4884731768.

The spelling of 22542506 in words is "twenty-two million, five hundred forty-two thousand, five hundred six".