22366556 has 12 divisors (see below), whose sum is σ = 39205992. Its totient is φ = 11164848.

The previous prime is 22366541. The next prime is 22366567. The reversal of 22366556 is 65566322.

It is a super-2 number, since 2×22366556² = 1000525654602272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (3267166).

Almost surely, 2^22366556 is an apocalyptic number.

It is an amenable number.

22366556 is a deficient number, since it is larger than the sum of its proper divisors (16839436).

22366556 is a wasteful number, since it uses less digits than its factorization.

22366556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220 (or 9218 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 22366556 is about 4729.3293393461. The cubic root of 22366556 is about 281.7515878219.

It can be divided in two parts, 22366 and 556, that added together give a palindrome (22922).

The spelling of 22366556 in words is "twenty-two million, three hundred sixty-six thousand, five hundred fifty-six".