22247925 has 48 divisors (see below), whose sum is σ = 43425792. Its totient is φ = 9835200.

The previous prime is 22247909. The next prime is 22247933. The reversal of 22247925 is 52974222.

It is not a de Polignac number, because 22247925 - 2⁴ = 22247909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15592 + ... + 16958.

It is an arithmetic number, because the mean of its divisors is an integer number (904704).

Almost surely, 2^22247925 is an apocalyptic number.

22247925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22247925 is a deficient number, since it is larger than the sum of its proper divisors (21177867).

22247925 is a wasteful number, since it uses less digits than its factorization.

22247925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1413 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 22247925 is about 4716.7706113399. The cubic root of 22247925 is about 281.2525728160.

The spelling of 22247925 in words is "twenty-two million, two hundred forty-seven thousand, nine hundred twenty-five".