22921267 has 2 divisors, whose sum is σ = 22921268. Its totient is φ = 22921266.

The previous prime is 22921247. The next prime is 22921291. The reversal of 22921267 is 76212922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22921267 - 2¹¹ = 22919219 is a prime.

It is not a weakly prime, because it can be changed into another prime (22921247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11460633 + 11460634.

It is an arithmetic number, because the mean of its divisors is an integer number (11460634).

Almost surely, 2^22921267 is an apocalyptic number.

22921267 is a deficient number, since it is larger than the sum of its proper divisors (1).

22921267 is an equidigital number, since it uses as much as digits as its factorization.

22921267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 22921267 is about 4787.6160038165. The cubic root of 22921267 is about 284.0618252955.

The spelling of 22921267 in words is "twenty-two million, nine hundred twenty-one thousand, two hundred sixty-seven".