21932652 has 48 divisors (see below), whose sum is σ = 61931520. Its totient is φ = 5897472.

The previous prime is 21932629. The next prime is 21932657. The reversal of 21932652 is 25623912.

It is not an unprimeable number, because it can be changed into a prime (21932657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6252 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (1290240).

Almost surely, 2^21932652 is an apocalyptic number.

It is an amenable number.

21932652 is an abundant number, since it is smaller than the sum of its proper divisors (39998868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21932652 is a wasteful number, since it uses less digits than its factorization.

21932652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390 (or 15388 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 21932652 is about 4683.2309360099. The cubic root of 21932652 is about 279.9177139155.

The spelling of 21932652 in words is "twenty-one million, nine hundred thirty-two thousand, six hundred fifty-two".