22456751 has 2 divisors, whose sum is σ = 22456752. Its totient is φ = 22456750.

The previous prime is 22456697. The next prime is 22456787. The reversal of 22456751 is 15765422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22456751 - 2¹⁸ = 22194607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22456351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11228375 + 11228376.

It is an arithmetic number, because the mean of its divisors is an integer number (11228376).

Almost surely, 2^22456751 is an apocalyptic number.

22456751 is a deficient number, since it is larger than the sum of its proper divisors (1).

22456751 is an equidigital number, since it uses as much as digits as its factorization.

22456751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 22456751 is about 4738.8554525328. The cubic root of 22456751 is about 282.1298087891.

The spelling of 22456751 in words is "twenty-two million, four hundred fifty-six thousand, seven hundred fifty-one".