22605045 has 32 divisors (see below), whose sum is σ = 37684224. Its totient is φ = 11558400.

The previous prime is 22604999. The next prime is 22605059. The reversal of 22605045 is 54050622.

It is not a de Polignac number, because 22605045 - 2⁸ = 22604789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80305 + ... + 80585.

It is an arithmetic number, because the mean of its divisors is an integer number (1177632).

Almost surely, 2^22605045 is an apocalyptic number.

It is an amenable number.

22605045 is a deficient number, since it is larger than the sum of its proper divisors (15079179).

22605045 is a wasteful number, since it uses less digits than its factorization.

22605045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22605045 is about 4754.4763118560. The cubic root of 22605045 is about 282.7494650781.

Adding to 22605045 its reverse (54050622), we get a palindrome (76655667).

The spelling of 22605045 in words is "twenty-two million, six hundred five thousand, forty-five".