22466556 has 36 divisors (see below), whose sum is σ = 64904112. Its totient is φ = 6418944.

The previous prime is 22466539. The next prime is 22466557. The reversal of 22466556 is 65566422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22466556² = 1009492277002272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22466556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22466557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44325 + ... + 44828.

It is an arithmetic number, because the mean of its divisors is an integer number (1802892).

Almost surely, 2^22466556 is an apocalyptic number.

It is an amenable number.

22466556 is an abundant number, since it is smaller than the sum of its proper divisors (42437556).

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

22466556 is a wasteful number, since it uses less digits than its factorization.

22466556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89170 (or 89165 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 22466556 is about 4739.8898721384. The cubic root of 22466556 is about 282.1708637080.

The spelling of 22466556 in words is "twenty-two million, four hundred sixty-six thousand, five hundred fifty-six".