22174165 has 8 divisors (see below), whose sum is σ = 28655928. Its totient is φ = 16374720.

The previous prime is 22174157. The next prime is 22174189. The reversal of 22174165 is 56147122.

It can be written as a sum of positive squares in 4 ways, for example, as 848241 + 21325924 = 921^2 + 4618^2 .

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

It is not a de Polignac number, because 22174165 - 2³ = 22174157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170506 + ... + 170635.

It is an arithmetic number, because the mean of its divisors is an integer number (3581991).

Almost surely, 2^22174165 is an apocalyptic number.

It is an amenable number.

22174165 is a deficient number, since it is larger than the sum of its proper divisors (6481763).

22174165 is a wasteful number, since it uses less digits than its factorization.

22174165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341159.

The product of its digits is 3360, while the sum is 28.

The square root of 22174165 is about 4708.9452109788. The cubic root of 22174165 is about 280.9414103435.

The spelling of 22174165 in words is "twenty-two million, one hundred seventy-four thousand, one hundred sixty-five".