22090173 has 8 divisors (see below), whose sum is σ = 33661248. Its totient is φ = 12622944.

The previous prime is 22090153. The next prime is 22090177. The reversal of 22090173 is 37109022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22090173 - 2¹³ = 22081981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525936 + ... + 525977.

It is an arithmetic number, because the mean of its divisors is an integer number (4207656).

Almost surely, 2^22090173 is an apocalyptic number.

It is an amenable number.

22090173 is a deficient number, since it is larger than the sum of its proper divisors (11571075).

22090173 is a wasteful number, since it uses less digits than its factorization.

22090173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051923.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 22090173 is about 4700.0184042193. The cubic root of 22090173 is about 280.5862419542.

Adding to 22090173 its reverse (37109022), we get a palindrome (59199195).

The spelling of 22090173 in words is "twenty-two million, ninety thousand, one hundred seventy-three".