22166466 has 32 divisors (see below), whose sum is σ = 50813568. Its totient is φ = 6314880.

The previous prime is 22166461. The next prime is 22166471. The reversal of 22166466 is 66466122.

It is an interprime number because it is at equal distance from previous prime (22166461) and next prime (22166471).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22166461) 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, 21376 + ... + 22388.

It is an arithmetic number, because the mean of its divisors is an integer number (1587924).

Almost surely, 2^22166466 is an apocalyptic number.

22166466 is an abundant number, since it is smaller than the sum of its proper divisors (28647102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22166466 is a wasteful number, since it uses less digits than its factorization.

22166466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 20736, while the sum is 33.

The square root of 22166466 is about 4708.1276533246. The cubic root of 22166466 is about 280.9088917451.

The spelling of 22166466 in words is "twenty-two million, one hundred sixty-six thousand, four hundred sixty-six".