22951899 has 12 divisors (see below), whose sum is σ = 33285096. Its totient is φ = 15240192.

The previous prime is 22951891. The next prime is 22951927. The reversal of 22951899 is 99815922.

It is not a de Polignac number, because 22951899 - 2³ = 22951891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22951891) 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 in 11 ways as a sum of consecutive naturals, for example, 2649 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (2773758).

Almost surely, 2^22951899 is an apocalyptic number.

22951899 is a deficient number, since it is larger than the sum of its proper divisors (10333197).

22951899 is a wasteful number, since it uses less digits than its factorization.

22951899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186 (or 10183 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 22951899 is about 4790.8140226897. The cubic root of 22951899 is about 284.1883091199.

The spelling of 22951899 in words is "twenty-two million, nine hundred fifty-one thousand, eight hundred ninety-nine".