22999916 has 12 divisors (see below), whose sum is σ = 40357632. Its totient is φ = 11469168.

The previous prime is 22999901. The next prime is 22999919. The reversal of 22999916 is 61999922.

It is a super-2 number, since 2×22999916² = 1057992272014112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22999919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (3363136).

Almost surely, 2^22999916 is an apocalyptic number.

It is an amenable number.

22999916 is a deficient number, since it is larger than the sum of its proper divisors (17357716).

22999916 is a wasteful number, since it uses less digits than its factorization.

22999916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400 (or 15398 counting only the distinct ones).

The product of its digits is 157464, while the sum is 47.

The square root of 22999916 is about 4795.8227656993. The cubic root of 22999916 is about 284.3863517748.

The spelling of 22999916 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred sixteen".