666046422 has 32 divisors (see below), whose sum is σ = 1531144800. Its totient is φ = 214359264.

The previous prime is 666046411. The next prime is 666046427. The reversal of 666046422 is 224640666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666046427) 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, 211093 + ... + 214224.

It is an arithmetic number, because the mean of its divisors is an integer number (47848275).

Almost surely, 2^666046422 is an apocalyptic number.

666046422 is an abundant number, since it is smaller than the sum of its proper divisors (865098378).

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

666046422 is a wasteful number, since it uses less digits than its factorization.

666046422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425357 (or 425351 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 666046422 is about 25807.8751934366. The cubic root of 666046422 is about 873.3094638634.

The spelling of 666046422 in words is "six hundred sixty-six million, forty-six thousand, four hundred twenty-two".