22089554 has 4 divisors (see below), whose sum is σ = 33134334. Its totient is φ = 11044776.

The previous prime is 22089539. The next prime is 22089583. The reversal of 22089554 is 45598022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20912329 + 1177225 = 4573^2 + 1085^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522387 + ... + 5522390.

Almost surely, 2^22089554 is an apocalyptic number.

22089554 is a deficient number, since it is larger than the sum of its proper divisors (11044780).

22089554 is a wasteful number, since it uses less digits than its factorization.

22089554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044779.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 22089554 is about 4699.9525529520. The cubic root of 22089554 is about 280.5836211130.

The spelling of 22089554 in words is "twenty-two million, eighty-nine thousand, five hundred fifty-four".