422666940 has 24 divisors (see below), whose sum is σ = 1183467600. Its totient is φ = 112711168.

The previous prime is 422666917. The next prime is 422666953. The reversal of 422666940 is 49666224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522165 + ... + 3522284.

It is an arithmetic number, because the mean of its divisors is an integer number (49311150).

Almost surely, 2^422666940 is an apocalyptic number.

It is an amenable number.

422666940 is an abundant number, since it is smaller than the sum of its proper divisors (760800660).

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

422666940 is a wasteful number, since it uses less digits than its factorization.

422666940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044461 (or 7044459 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 422666940 is about 20558.8652410584. The cubic root of 422666940 is about 750.4690044298.

The spelling of 422666940 in words is "four hundred twenty-two million, six hundred sixty-six thousand, nine hundred forty".