40166022 has 16 divisors (see below), whose sum is σ = 86511600. Its totient is φ = 12358752.

The previous prime is 40166011. The next prime is 40166033. The reversal of 40166022 is 22066104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40166011) and next prime (40166033).

It is a super-2 number, since 2×40166022² = 3226618646608968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257397 + ... + 257552.

It is an arithmetic number, because the mean of its divisors is an integer number (5406975).

Almost surely, 2^40166022 is an apocalyptic number.

40166022 is an abundant number, since it is smaller than the sum of its proper divisors (46345578).

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

40166022 is a wasteful number, since it uses less digits than its factorization.

40166022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514967.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40166022 is about 6337.6669208787. Note that the first 3 decimals coincide. The cubic root of 40166022 is about 342.4676922657.

The spelling of 40166022 in words is "forty million, one hundred sixty-six thousand, twenty-two".