22990567 has 4 divisors (see below), whose sum is σ = 23479776. Its totient is φ = 22501360.

The previous prime is 22990559. The next prime is 22990603. The reversal of 22990567 is 76509922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22990567 - 2³ = 22990559 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244534 + ... + 244627.

It is an arithmetic number, because the mean of its divisors is an integer number (5869944).

Almost surely, 2^22990567 is an apocalyptic number.

22990567 is a deficient number, since it is larger than the sum of its proper divisors (489209).

22990567 is an equidigital number, since it uses as much as digits as its factorization.

22990567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489208.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 22990567 is about 4794.8479642216. The cubic root of 22990567 is about 284.3478141222.

The spelling of 22990567 in words is "twenty-two million, nine hundred ninety thousand, five hundred sixty-seven".