22668263 has 2 divisors, whose sum is σ = 22668264. Its totient is φ = 22668262.

The previous prime is 22668251. The next prime is 22668277. The reversal of 22668263 is 36286622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22668263 - 2²⁰ = 21619687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22638263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11334131 + 11334132.

It is an arithmetic number, because the mean of its divisors is an integer number (11334132).

Almost surely, 2^22668263 is an apocalyptic number.

22668263 is a deficient number, since it is larger than the sum of its proper divisors (1).

22668263 is an equidigital number, since it uses as much as digits as its factorization.

22668263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 22668263 is about 4761.1199312767. The cubic root of 22668263 is about 283.0128018449.

The spelling of 22668263 in words is "twenty-two million, six hundred sixty-eight thousand, two hundred sixty-three".