422746667 has 12 divisors (see below), whose sum is σ = 520695000. Its totient is φ = 341038656.

The previous prime is 422746663. The next prime is 422746679. The reversal of 422746667 is 766647224.

It is not a de Polignac number, because 422746667 - 2² = 422746663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422746663) 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, 252917 + ... + 254582.

It is an arithmetic number, because the mean of its divisors is an integer number (43391250).

Almost surely, 2^422746667 is an apocalyptic number.

422746667 is a deficient number, since it is larger than the sum of its proper divisors (97948333).

422746667 is a wasteful number, since it uses less digits than its factorization.

422746667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507530 (or 507523 counting only the distinct ones).

The product of its digits is 677376, while the sum is 44.

The square root of 422746667 is about 20560.8041428345. The cubic root of 422746667 is about 750.5161880591.

The spelling of 422746667 in words is "four hundred twenty-two million, seven hundred forty-six thousand, six hundred sixty-seven".