22909772 has 6 divisors (see below), whose sum is σ = 40092108. Its totient is φ = 11454884.

The previous prime is 22909769. The next prime is 22909781. The reversal of 22909772 is 27790922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863718 + ... + 2863725.

It is an arithmetic number, because the mean of its divisors is an integer number (6682018).

Almost surely, 2^22909772 is an apocalyptic number.

It is an amenable number.

22909772 is a deficient number, since it is larger than the sum of its proper divisors (17182336).

22909772 is a wasteful number, since it uses less digits than its factorization.

22909772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727447 (or 5727445 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 22909772 is about 4786.4153601626. The cubic root of 22909772 is about 284.0143317505.

The spelling of 22909772 in words is "twenty-two million, nine hundred nine thousand, seven hundred seventy-two".