440422166 has 24 divisors (see below), whose sum is σ = 699022224. Its totient is φ = 208086480.

The previous prime is 440422163. The next prime is 440422181. The reversal of 440422166 is 661224044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440422163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536036 + ... + 536856.

It is an arithmetic number, because the mean of its divisors is an integer number (29125926).

Almost surely, 2^440422166 is an apocalyptic number.

440422166 is a deficient number, since it is larger than the sum of its proper divisors (258600058).

440422166 is a wasteful number, since it uses less digits than its factorization.

440422166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 440422166 is about 20986.2375379676. The cubic root of 440422166 is about 760.8336685211.

The spelling of 440422166 in words is "four hundred forty million, four hundred twenty-two thousand, one hundred sixty-six".