22276556 has 12 divisors (see below), whose sum is σ = 39124680. Its totient is φ = 11098080.

The previous prime is 22276549. The next prime is 22276559. The reversal of 22276556 is 65567222.

It is a super-2 number, since 2×22276556² = 992489894442272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22276559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786 + ... + 11033.

It is an arithmetic number, because the mean of its divisors is an integer number (3260390).

Almost surely, 2^22276556 is an apocalyptic number.

It is an amenable number.

22276556 is a deficient number, since it is larger than the sum of its proper divisors (16848124).

22276556 is a wasteful number, since it uses less digits than its factorization.

22276556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20104 (or 20102 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 22276556 is about 4719.8046569747. The cubic root of 22276556 is about 281.3731696895.

The spelling of 22276556 in words is "twenty-two million, two hundred seventy-six thousand, five hundred fifty-six".