22173044 has 6 divisors (see below), whose sum is σ = 38802834. Its totient is φ = 11086520.

The previous prime is 22173031. The next prime is 22173071. The reversal of 22173044 is 44037122.

It can be written as a sum of positive squares in only one way, i.e., 21270544 + 902500 = 4612^2 + 950^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771627 + ... + 2771634.

It is an arithmetic number, because the mean of its divisors is an integer number (6467139).

Almost surely, 2^22173044 is an apocalyptic number.

It is an amenable number.

22173044 is a deficient number, since it is larger than the sum of its proper divisors (16629790).

22173044 is a wasteful number, since it uses less digits than its factorization.

22173044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543265 (or 5543263 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22173044 is about 4708.8261806951. The cubic root of 22173044 is about 280.9366759957.

The spelling of 22173044 in words is "twenty-two million, one hundred seventy-three thousand, forty-four".