22562164 has 6 divisors (see below), whose sum is σ = 39483794. Its totient is φ = 11281080.

The previous prime is 22562159. The next prime is 22562173. The reversal of 22562164 is 46126522.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 396900 = 4708^2 + 630^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820267 + ... + 2820274.

Almost surely, 2^22562164 is an apocalyptic number.

It is an amenable number.

22562164 is a deficient number, since it is larger than the sum of its proper divisors (16921630).

22562164 is a wasteful number, since it uses less digits than its factorization.

22562164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640545 (or 5640543 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 22562164 is about 4749.9646314473. The cubic root of 22562164 is about 282.5705632070.

Adding to 22562164 its reverse (46126522), we get a palindrome (68688686).

The spelling of 22562164 in words is "twenty-two million, five hundred sixty-two thousand, one hundred sixty-four".