22173117 has 16 divisors (see below), whose sum is σ = 31409280. Its totient is φ = 13865472.

The previous prime is 22173097. The next prime is 22173121. The reversal of 22173117 is 71137122.

It is not a de Polignac number, because 22173117 - 2¹⁶ = 22107581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22173157) 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, 20328 + ... + 21390.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^22173117 is an apocalyptic number.

It is an amenable number.

22173117 is a deficient number, since it is larger than the sum of its proper divisors (9236163).

22173117 is a wasteful number, since it uses less digits than its factorization.

22173117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its digits is 588, while the sum is 24.

The square root of 22173117 is about 4708.8339320898. The cubic root of 22173117 is about 280.9369843033.

The spelling of 22173117 in words is "twenty-two million, one hundred seventy-three thousand, one hundred seventeen".