22933271 has 2 divisors, whose sum is σ = 22933272. Its totient is φ = 22933270.

The previous prime is 22933249. The next prime is 22933291. The reversal of 22933271 is 17233922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22933271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22933291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11466635 + 11466636.

It is an arithmetic number, because the mean of its divisors is an integer number (11466636).

Almost surely, 2^22933271 is an apocalyptic number.

22933271 is a deficient number, since it is larger than the sum of its proper divisors (1).

22933271 is an equidigital number, since it uses as much as digits as its factorization.

22933271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 22933271 is about 4788.8694908089. The cubic root of 22933271 is about 284.1114049147. Note that the first 3 decimals are identical.

The spelling of 22933271 in words is "twenty-two million, nine hundred thirty-three thousand, two hundred seventy-one".