22045028 has 12 divisors (see below), whose sum is σ = 38625132. Its totient is φ = 11009280.

The previous prime is 22044991. The next prime is 22045087. The reversal of 22045028 is 82054022.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 719104 = 4618^2 + 848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22044994 and 22045012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (3218761).

Almost surely, 2^22045028 is an apocalyptic number.

It is an amenable number.

22045028 is a deficient number, since it is larger than the sum of its proper divisors (16580104).

22045028 is a wasteful number, since it uses less digits than its factorization.

22045028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622 (or 6620 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 22045028 is about 4695.2133071885. The cubic root of 22045028 is about 280.3949698020.

The spelling of 22045028 in words is "twenty-two million, forty-five thousand, twenty-eight".