22919045 has 16 divisors (see below), whose sum is σ = 28035072. Its totient is φ = 17984640.

The previous prime is 22919027. The next prime is 22919051. The reversal of 22919045 is 54091922.

It is not a de Polignac number, because 22919045 - 2⁸ = 22918789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98249 + ... + 98481.

It is an arithmetic number, because the mean of its divisors is an integer number (1752192).

Almost surely, 2^22919045 is an apocalyptic number.

It is an amenable number.

22919045 is a deficient number, since it is larger than the sum of its proper divisors (5116027).

22919045 is a wasteful number, since it uses less digits than its factorization.

22919045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 22919045 is about 4787.3839411520. The cubic root of 22919045 is about 284.0526459633.

The spelling of 22919045 in words is "twenty-two million, nine hundred nineteen thousand, forty-five".