22166417 has 8 divisors (see below), whose sum is σ = 27281856. Its totient is φ = 17538192.

The previous prime is 22166383. The next prime is 22166447. The reversal of 22166417 is 71466122.

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

It is not a de Polignac number, because 22166417 - 2⁸ = 22166161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22166417.

It is not an unprimeable number, because it can be changed into a prime (22166447) 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, 121703 + ... + 121884.

It is an arithmetic number, because the mean of its divisors is an integer number (3410232).

Almost surely, 2^22166417 is an apocalyptic number.

It is an amenable number.

22166417 is a deficient number, since it is larger than the sum of its proper divisors (5115439).

22166417 is a wasteful number, since it uses less digits than its factorization.

22166417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243607.

The product of its digits is 4032, while the sum is 29.

The square root of 22166417 is about 4708.1224495546. The cubic root of 22166417 is about 280.9086847576.

The spelling of 22166417 in words is "twenty-two million, one hundred sixty-six thousand, four hundred seventeen".