22689045 has 16 divisors (see below), whose sum is σ = 40336320. Its totient is φ = 12100752.

The previous prime is 22689019. The next prime is 22689047. The reversal of 22689045 is 54098622.

It is a happy number.

It is not a de Polignac number, because 22689045 - 2⁷ = 22688917 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22689047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83899 + ... + 84168.

It is an arithmetic number, because the mean of its divisors is an integer number (2521020).

Almost surely, 2^22689045 is an apocalyptic number.

It is an amenable number.

22689045 is a deficient number, since it is larger than the sum of its proper divisors (17647275).

22689045 is a wasteful number, since it uses less digits than its factorization.

22689045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168081 (or 168075 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 22689045 is about 4763.3019009926. The cubic root of 22689045 is about 283.0992630436.

The spelling of 22689045 in words is "twenty-two million, six hundred eighty-nine thousand, forty-five".