22045173 has 12 divisors (see below), whose sum is σ = 29914368. Its totient is φ = 14440840.

The previous prime is 22045171. The next prime is 22045181. The reversal of 22045173 is 37154022.

It is not a de Polignac number, because 22045173 - 2¹ = 22045171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9388 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (2492864).

Almost surely, 2^22045173 is an apocalyptic number.

It is an amenable number.

22045173 is a deficient number, since it is larger than the sum of its proper divisors (7869195).

22045173 is an equidigital number, since it uses as much as digits as its factorization.

22045173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22045173 is about 4695.2287484211. The cubic root of 22045173 is about 280.3955845616.

Adding to 22045173 its reverse (37154022), we get a palindrome (59199195).

The spelling of 22045173 in words is "twenty-two million, forty-five thousand, one hundred seventy-three".