422746720 has 48 divisors (see below), whose sum is σ = 1089538128. Its totient is φ = 153725440.

The previous prime is 422746703. The next prime is 422746733. The reversal of 422746720 is 27647224.

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, 118339 + ... + 121858.

It is an arithmetic number, because the mean of its divisors is an integer number (22698711).

Almost surely, 2^422746720 is an apocalyptic number.

422746720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422746720 is an abundant number, since it is smaller than the sum of its proper divisors (666791408).

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

422746720 is a wasteful number, since it uses less digits than its factorization.

422746720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240223 (or 240215 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 422746720 is about 20560.8054316945. The cubic root of 422746720 is about 750.5162194233.

The spelling of 422746720 in words is "four hundred twenty-two million, seven hundred forty-six thousand, seven hundred twenty".