40222066 has 16 divisors (see below), whose sum is σ = 63802368. Its totient is φ = 18986400.

The previous prime is 40222057. The next prime is 40222067. The reversal of 40222066 is 66022204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40222067) 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, 5370 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (3987648).

Almost surely, 2^40222066 is an apocalyptic number.

40222066 is a deficient number, since it is larger than the sum of its proper divisors (23580302).

40222066 is a wasteful number, since it uses less digits than its factorization.

40222066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15897.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40222066 is about 6342.0868805150. The cubic root of 40222066 is about 342.6269009572.

The spelling of 40222066 in words is "forty million, two hundred twenty-two thousand, sixty-six".