22408951 has 2 divisors, whose sum is σ = 22408952. Its totient is φ = 22408950.

The previous prime is 22408943. The next prime is 22408957. The reversal of 22408951 is 15980422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22408951 - 2³ = 22408943 is a prime.

It is a super-2 number, since 2×22408951² = 1004322169840802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22408957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11204475 + 11204476.

It is an arithmetic number, because the mean of its divisors is an integer number (11204476).

Almost surely, 2^22408951 is an apocalyptic number.

22408951 is a deficient number, since it is larger than the sum of its proper divisors (1).

22408951 is an equidigital number, since it uses as much as digits as its factorization.

22408951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 22408951 is about 4733.8093539981. The cubic root of 22408951 is about 281.9294921222.

The spelling of 22408951 in words is "twenty-two million, four hundred eight thousand, nine hundred fifty-one".