22963387 has 2 divisors, whose sum is σ = 22963388. Its totient is φ = 22963386.

The previous prime is 22963351. The next prime is 22963393. The reversal of 22963387 is 78336922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22963387 - 2²³ = 14574779 is a prime.

It is not a weakly prime, because it can be changed into another prime (22963487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11481693 + 11481694.

It is an arithmetic number, because the mean of its divisors is an integer number (11481694).

Almost surely, 2^22963387 is an apocalyptic number.

22963387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22963387 is an equidigital number, since it uses as much as digits as its factorization.

22963387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 22963387 is about 4792.0128338726. The cubic root of 22963387 is about 284.2357156656.

The spelling of 22963387 in words is "twenty-two million, nine hundred sixty-three thousand, three hundred eighty-seven".