22119556 has 6 divisors (see below), whose sum is σ = 38709230. Its totient is φ = 11059776.

The previous prime is 22119551. The next prime is 22119557. The reversal of 22119556 is 65591122.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 217156 = 4680^2 + 466^2 .

It is not an unprimeable number, because it can be changed into a prime (22119551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764941 + ... + 2764948.

Almost surely, 2^22119556 is an apocalyptic number.

It is an amenable number.

22119556 is a deficient number, since it is larger than the sum of its proper divisors (16589674).

22119556 is a wasteful number, since it uses less digits than its factorization.

22119556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529893 (or 5529891 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 22119556 is about 4703.1432042837. The cubic root of 22119556 is about 280.7105930675.

The spelling of 22119556 in words is "twenty-two million, one hundred nineteen thousand, five hundred fifty-six".