22604651 has 2 divisors, whose sum is σ = 22604652. Its totient is φ = 22604650.

The previous prime is 22604639. The next prime is 22604671. The reversal of 22604651 is 15640622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22604651 - 2¹⁰ = 22603627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22604651.

It is not a weakly prime, because it can be changed into another prime (22604671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302325 + 11302326.

It is an arithmetic number, because the mean of its divisors is an integer number (11302326).

Almost surely, 2^22604651 is an apocalyptic number.

22604651 is a deficient number, since it is larger than the sum of its proper divisors (1).

22604651 is an equidigital number, since it uses as much as digits as its factorization.

22604651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22604651 is about 4754.4348770385. The cubic root of 22604651 is about 282.7478223189.

The spelling of 22604651 in words is "twenty-two million, six hundred four thousand, six hundred fifty-one".