22499963 has 2 divisors, whose sum is σ = 22499964. Its totient is φ = 22499962.

The previous prime is 22499941. The next prime is 22499977. The reversal of 22499963 is 36999422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22499963 is a prime.

It is not a weakly prime, because it can be changed into another prime (22499903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249981 + 11249982.

It is an arithmetic number, because the mean of its divisors is an integer number (11249982).

Almost surely, 2^22499963 is an apocalyptic number.

22499963 is a deficient number, since it is larger than the sum of its proper divisors (1).

22499963 is an equidigital number, since it uses as much as digits as its factorization.

22499963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 22499963 is about 4743.4125901085. The cubic root of 22499963 is about 282.3106539161.

The spelling of 22499963 in words is "twenty-two million, four hundred ninety-nine thousand, nine hundred sixty-three".