22865722 has 8 divisors (see below), whose sum is σ = 37416672. Its totient is φ = 10393500.

The previous prime is 22865719. The next prime is 22865729. The reversal of 22865722 is 22756822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22865729) 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, 519654 + ... + 519697.

It is an arithmetic number, because the mean of its divisors is an integer number (4677084).

Almost surely, 2^22865722 is an apocalyptic number.

22865722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22865722 is a deficient number, since it is larger than the sum of its proper divisors (14550950).

22865722 is a wasteful number, since it uses less digits than its factorization.

22865722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039364.

The product of its digits is 26880, while the sum is 34.

The square root of 22865722 is about 4781.8115813988. The cubic root of 22865722 is about 283.8321844651.

Subtracting from 22865722 its reverse (22756822), we obtain a square (108900 = 330²).

It can be divided in two parts, 2286 and 5722, that added together give a palindrome (8008).

The spelling of 22865722 in words is "twenty-two million, eight hundred sixty-five thousand, seven hundred twenty-two".