22715461 has 2 divisors, whose sum is σ = 22715462. Its totient is φ = 22715460.

The previous prime is 22715437. The next prime is 22715471. The reversal of 22715461 is 16451722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13068225 + 9647236 = 3615^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 22715461 - 2⁷ = 22715333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22715401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11357730 + 11357731.

It is an arithmetic number, because the mean of its divisors is an integer number (11357731).

Almost surely, 2^22715461 is an apocalyptic number.

It is an amenable number.

22715461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22715461 is an equidigital number, since it uses as much as digits as its factorization.

22715461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 22715461 is about 4766.0739608193. The cubic root of 22715461 is about 283.2090877006.

The spelling of 22715461 in words is "twenty-two million, seven hundred fifteen thousand, four hundred sixty-one".