22921652 has 24 divisors (see below), whose sum is σ = 44018856. Its totient is φ = 10378368.

The previous prime is 22921651. The next prime is 22921663. The reversal of 22921652 is 25612922.

It can be written as a sum of positive squares in 4 ways, for example, as 8145316 + 14776336 = 2854^2 + 3844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22921651) 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 7 ways as a sum of consecutive naturals, for example, 1403 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (1834119).

Almost surely, 2^22921652 is an apocalyptic number.

It is an amenable number.

22921652 is a deficient number, since it is larger than the sum of its proper divisors (21097204).

22921652 is a wasteful number, since it uses less digits than its factorization.

22921652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387 (or 8385 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 22921652 is about 4787.6562115507. The cubic root of 22921652 is about 284.0634157136.

The spelling of 22921652 in words is "twenty-two million, nine hundred twenty-one thousand, six hundred fifty-two".