22074725 has 12 divisors (see below), whose sum is σ = 27956544. Its totient is φ = 17283120.

The previous prime is 22074719. The next prime is 22074737. The reversal of 22074725 is 52747022.

It is not a de Polignac number, because 22074725 - 2¹⁶ = 22009189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8219 + ... + 10568.

It is an arithmetic number, because the mean of its divisors is an integer number (2329712).

Almost surely, 2^22074725 is an apocalyptic number.

22074725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22074725 is a deficient number, since it is larger than the sum of its proper divisors (5881819).

22074725 is a wasteful number, since it uses less digits than its factorization.

22074725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18844 (or 18839 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 22074725 is about 4698.3747189853. The cubic root of 22074725 is about 280.5208206007.

The spelling of 22074725 in words is "twenty-two million, seventy-four thousand, seven hundred twenty-five".