22264691 has 2 divisors, whose sum is σ = 22264692. Its totient is φ = 22264690.

The previous prime is 22264687. The next prime is 22264709. The reversal of 22264691 is 19646222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22264691 - 2² = 22264687 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22264631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132345 + 11132346.

It is an arithmetic number, because the mean of its divisors is an integer number (11132346).

Almost surely, 2^22264691 is an apocalyptic number.

22264691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22264691 is an equidigital number, since it uses as much as digits as its factorization.

22264691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 22264691 is about 4718.5475519486. The cubic root of 22264691 is about 281.3232055694.

The spelling of 22264691 in words is "twenty-two million, two hundred sixty-four thousand, six hundred ninety-one".