22473554 has 4 divisors (see below), whose sum is σ = 33710334. Its totient is φ = 11236776.

The previous prime is 22473547. The next prime is 22473571. The reversal of 22473554 is 45537422.

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., 14784025 + 7689529 = 3845^2 + 2773^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22473554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5618387 + ... + 5618390.

Almost surely, 2^22473554 is an apocalyptic number.

22473554 is a deficient number, since it is larger than the sum of its proper divisors (11236780).

22473554 is a wasteful number, since it uses less digits than its factorization.

22473554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236779.

The product of its digits is 33600, while the sum is 32.

The square root of 22473554 is about 4740.6280174677. The cubic root of 22473554 is about 282.2001580172.

The spelling of 22473554 in words is "twenty-two million, four hundred seventy-three thousand, five hundred fifty-four".