22885722 has 12 divisors (see below), whose sum is σ = 49585770. Its totient is φ = 7628568.

The previous prime is 22885717. The next prime is 22885729. The reversal of 22885722 is 22758822.

22885722 is a `hidden beast` number, since 2 + 2 + 88 + 572 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19000881 + 3884841 = 4359^2 + 1971^2 .

It is a super-2 number, since 2×22885722² = 1047512542922568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22885729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635697 + ... + 635732.

Almost surely, 2^22885722 is an apocalyptic number.

22885722 is an abundant number, since it is smaller than the sum of its proper divisors (26700048).

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

22885722 is a wasteful number, since it uses less digits than its factorization.

22885722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271437 (or 1271434 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 22885722 is about 4783.9023819472. The cubic root of 22885722 is about 283.9149136762.

The spelling of 22885722 in words is "twenty-two million, eight hundred eighty-five thousand, seven hundred twenty-two".