422644734 has 24 divisors (see below), whose sum is σ = 955545552. Its totient is φ = 134756160.

The previous prime is 422644723. The next prime is 422644763. The reversal of 422644734 is 437446224.

422644734 is a `hidden beast` number, since 4 + 2 + 2 + 644 + 7 + 3 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510027 + ... + 510854.

It is an arithmetic number, because the mean of its divisors is an integer number (39814398).

Almost surely, 2^422644734 is an apocalyptic number.

422644734 is an abundant number, since it is smaller than the sum of its proper divisors (532900818).

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

422644734 is a wasteful number, since it uses less digits than its factorization.

422644734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020912 (or 1020909 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The square root of 422644734 is about 20558.3251749747. The cubic root of 422644734 is about 750.4558615309.

The spelling of 422644734 in words is "four hundred twenty-two million, six hundred forty-four thousand, seven hundred thirty-four".