22072502 has 16 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 10309992.

The previous prime is 22072487. The next prime is 22072517. The reversal of 22072502 is 20527022.

It is an interprime number because it is at equal distance from previous prime (22072487) and next prime (22072517).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602 + ... + 7557.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^22072502 is an apocalyptic number.

22072502 is a deficient number, since it is larger than the sum of its proper divisors (13282378).

22072502 is a wasteful number, since it uses less digits than its factorization.

22072502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22072502 is about 4698.1381418600. The cubic root of 22072502 is about 280.5114038172.

Adding to 22072502 its reverse (20527022), we get a palindrome (42599524).

The spelling of 22072502 in words is "twenty-two million, seventy-two thousand, five hundred two".