22549554 has 36 divisors (see below), whose sum is σ = 49907598. Its totient is φ = 7356960.

The previous prime is 22549547. The next prime is 22549567. The reversal of 22549554 is 45594522.

It can be written as a sum of positive squares in only one way, i.e., 18688329 + 3861225 = 4323^2 + 1965^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 172069 + ... + 172199.

Almost surely, 2^22549554 is an apocalyptic number.

22549554 is an abundant number, since it is smaller than the sum of its proper divisors (27358044).

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

22549554 is a wasteful number, since it uses less digits than its factorization.

22549554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 209 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 22549554 is about 4748.6370676227. The cubic root of 22549554 is about 282.5179104733.

The spelling of 22549554 in words is "twenty-two million, five hundred forty-nine thousand, five hundred fifty-four".