21932325 has 36 divisors (see below), whose sum is σ = 39693888. Its totient is φ = 11575200.

The previous prime is 21932269. The next prime is 21932341. The reversal of 21932325 is 52323912.

It is not a de Polignac number, because 21932325 - 2²⁴ = 5155109 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23620 + ... + 24530.

It is an arithmetic number, because the mean of its divisors is an integer number (1102608).

Almost surely, 2^21932325 is an apocalyptic number.

21932325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21932325 is a deficient number, since it is larger than the sum of its proper divisors (17761563).

21932325 is a wasteful number, since it uses less digits than its factorization.

21932325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1026 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 21932325 is about 4683.1960240844. The cubic root of 21932325 is about 279.9163227849.

The spelling of 21932325 in words is "twenty-one million, nine hundred thirty-two thousand, three hundred twenty-five".