40022166 has 16 divisors (see below), whose sum is σ = 80509104. Its totient is φ = 13263264.

The previous prime is 40022153. The next prime is 40022219. The reversal of 40022166 is 66122004.

It is a happy number.

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, 18241 + ... + 20316.

It is an arithmetic number, because the mean of its divisors is an integer number (5031819).

Almost surely, 2^40022166 is an apocalyptic number.

40022166 is an abundant number, since it is smaller than the sum of its proper divisors (40486938).

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

40022166 is a wasteful number, since it uses less digits than its factorization.

40022166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38735.

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

The square root of 40022166 is about 6326.3074537996. The cubic root of 40022166 is about 342.0583498814.

The spelling of 40022166 in words is "forty million, twenty-two thousand, one hundred sixty-six".