22961304 has 24 divisors (see below), whose sum is σ = 62187060. Its totient is φ = 7653744.

The previous prime is 22961303. The next prime is 22961317. The reversal of 22961304 is 40316922.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22961303) 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 5 ways as a sum of consecutive naturals, for example, 159382 + ... + 159525.

Almost surely, 2^22961304 is an apocalyptic number.

22961304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22961304 is an abundant number, since it is smaller than the sum of its proper divisors (39225756).

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

22961304 is a wasteful number, since it uses less digits than its factorization.

22961304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318919 (or 318912 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 22961304 is about 4791.7954881234. The cubic root of 22961304 is about 284.2271211016.

It can be divided in two parts, 2296 and 1304, that added together give a square (3600 = 60²).

The spelling of 22961304 in words is "twenty-two million, nine hundred sixty-one thousand, three hundred four".