22072508 has 6 divisors (see below), whose sum is σ = 38626896. Its totient is φ = 11036252.

The previous prime is 22072487. The next prime is 22072517. The reversal of 22072508 is 80527022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759060 + ... + 2759067.

It is an arithmetic number, because the mean of its divisors is an integer number (6437816).

Almost surely, 2^22072508 is an apocalyptic number.

It is an amenable number.

22072508 is a deficient number, since it is larger than the sum of its proper divisors (16554388).

22072508 is a wasteful number, since it uses less digits than its factorization.

22072508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518131 (or 5518129 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 22072508 is about 4698.1387804108. The cubic root of 22072508 is about 280.5114292345.

The spelling of 22072508 in words is "twenty-two million, seventy-two thousand, five hundred eight".