22797772 has 24 divisors (see below), whose sum is σ = 42304640. Its totient is φ = 10730880.

The previous prime is 22797757. The next prime is 22797779. The reversal of 22797772 is 27779722.

It is not an unprimeable number, because it can be changed into a prime (22797779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104 + ... + 7072.

Almost surely, 2^22797772 is an apocalyptic number.

It is an amenable number.

22797772 is a deficient number, since it is larger than the sum of its proper divisors (19506868).

22797772 is a wasteful number, since it uses less digits than its factorization.

22797772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041 (or 5039 counting only the distinct ones).

The product of its digits is 172872, while the sum is 43.

The square root of 22797772 is about 4774.7012471986. The cubic root of 22797772 is about 283.5507510750.

It can be divided in two parts, 2279777 and 2, that multiplied together give a palindrome (4559554).

The spelling of 22797772 in words is "twenty-two million, seven hundred ninety-seven thousand, seven hundred seventy-two".