22290167 has 4 divisors (see below), whose sum is σ = 22437936. Its totient is φ = 22142400.

The previous prime is 22290161. The next prime is 22290187. The reversal of 22290167 is 76109222.

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 22290167 - 2²² = 18095863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22290161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73658 + ... + 73959.

It is an arithmetic number, because the mean of its divisors is an integer number (5609484).

Almost surely, 2^22290167 is an apocalyptic number.

22290167 is a deficient number, since it is larger than the sum of its proper divisors (147769).

22290167 is a wasteful number, since it uses less digits than its factorization.

22290167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147768.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 22290167 is about 4721.2463396862. The cubic root of 22290167 is about 281.4304644598.

Adding to 22290167 its reverse (76109222), we get a palindrome (98399389).

The spelling of 22290167 in words is "twenty-two million, two hundred ninety thousand, one hundred sixty-seven".