22952639 has 2 divisors, whose sum is σ = 22952640. Its totient is φ = 22952638.

The previous prime is 22952621. The next prime is 22952663. The reversal of 22952639 is 93625922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22952639 - 2¹² = 22948543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22952609) 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, 11476319 + 11476320.

It is an arithmetic number, because the mean of its divisors is an integer number (11476320).

Almost surely, 2^22952639 is an apocalyptic number.

22952639 is a deficient number, since it is larger than the sum of its proper divisors (1).

22952639 is an equidigital number, since it uses as much as digits as its factorization.

22952639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 22952639 is about 4790.8912532012. The cubic root of 22952639 is about 284.1913632911.

The spelling of 22952639 in words is "twenty-two million, nine hundred fifty-two thousand, six hundred thirty-nine".