22480961 has 2 divisors, whose sum is σ = 22480962. Its totient is φ = 22480960.

The previous prime is 22480949. The next prime is 22480963. The reversal of 22480961 is 16908422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17901361 + 4579600 = 4231^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 22480961 - 2⁶ = 22480897 is a prime.

Together with 22480963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22480963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11240480 + 11240481.

It is an arithmetic number, because the mean of its divisors is an integer number (11240481).

Almost surely, 2^22480961 is an apocalyptic number.

It is an amenable number.

22480961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22480961 is an equidigital number, since it uses as much as digits as its factorization.

22480961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 22480961 is about 4741.4091787147. The cubic root of 22480961 is about 282.2311578163.

The spelling of 22480961 in words is "twenty-two million, four hundred eighty thousand, nine hundred sixty-one".