22765722 has 32 divisors (see below), whose sum is σ = 54300672. Its totient is φ = 6221424.

The previous prime is 22765709. The next prime is 22765727. The reversal of 22765722 is 22756722.

It is not an unprimeable number, because it can be changed into a prime (22765727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10818 + ... + 12749.

It is an arithmetic number, because the mean of its divisors is an integer number (1696896).

Almost surely, 2^22765722 is an apocalyptic number.

22765722 is an abundant number, since it is smaller than the sum of its proper divisors (31534950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22765722 is a wasteful number, since it uses less digits than its factorization.

22765722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23602.

The product of its digits is 23520, while the sum is 33.

The square root of 22765722 is about 4771.3438358601. The cubic root of 22765722 is about 283.4178131785.

The spelling of 22765722 in words is "twenty-two million, seven hundred sixty-five thousand, seven hundred twenty-two".