22656505451 has 2 divisors, whose sum is σ = 22656505452. Its totient is φ = 22656505450.

The previous prime is 22656505357. The next prime is 22656505517. The reversal of 22656505451 is 15450565622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22656505451 - 2¹⁸ = 22656243307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22656505399 and 22656505408.

It is not a weakly prime, because it can be changed into another prime (22656508451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11328252725 + 11328252726.

It is an arithmetic number, because the mean of its divisors is an integer number (11328252726).

Almost surely, 2^22656505451 is an apocalyptic number.

22656505451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22656505451 is an equidigital number, since it uses as much as digits as its factorization.

22656505451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 22656505451 in words is "twenty-two billion, six hundred fifty-six million, five hundred five thousand, four hundred fifty-one".