22634779 has 2 divisors, whose sum is σ = 22634780. Its totient is φ = 22634778.

The previous prime is 22634771. The next prime is 22634797. The reversal of 22634779 is 97743622.

Together with next prime (22634797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22634779 - 2³ = 22634771 is a prime.

It is not a weakly prime, because it can be changed into another prime (22634771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11317389 + 11317390.

It is an arithmetic number, because the mean of its divisors is an integer number (11317390).

Almost surely, 2^22634779 is an apocalyptic number.

22634779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22634779 is an equidigital number, since it uses as much as digits as its factorization.

22634779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 22634779 is about 4757.6022322174. The cubic root of 22634779 is about 282.8733841569.

The spelling of 22634779 in words is "twenty-two million, six hundred thirty-four thousand, seven hundred seventy-nine".