22266166 has 8 divisors (see below), whose sum is σ = 35968464. Its totient is φ = 10276680.

The previous prime is 22266163. The next prime is 22266191. The reversal of 22266166 is 66166222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428170 + ... + 428221.

It is an arithmetic number, because the mean of its divisors is an integer number (4496058).

Almost surely, 2^22266166 is an apocalyptic number.

22266166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22266166 is a deficient number, since it is larger than the sum of its proper divisors (13702298).

22266166 is a wasteful number, since it uses less digits than its factorization.

22266166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856406.

The product of its digits is 10368, while the sum is 31.

The square root of 22266166 is about 4718.7038474564. The cubic root of 22266166 is about 281.3294178357.

The spelling of 22266166 in words is "twenty-two million, two hundred sixty-six thousand, one hundred sixty-six".