422385284 has 24 divisors (see below), whose sum is σ = 749112000. Its totient is φ = 208368864.

The previous prime is 422385283. The next prime is 422385347. The reversal of 422385284 is 482583224.

It is not an unprimeable number, because it can be changed into a prime (422385283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118967 + ... + 122465.

It is an arithmetic number, because the mean of its divisors is an integer number (31213000).

Almost surely, 2^422385284 is an apocalyptic number.

It is an amenable number.

422385284 is a deficient number, since it is larger than the sum of its proper divisors (326726716).

422385284 is a wasteful number, since it uses less digits than its factorization.

422385284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899 (or 3897 counting only the distinct ones).

The product of its digits is 122880, while the sum is 38.

The square root of 422385284 is about 20552.0141105440. The cubic root of 422385284 is about 750.3022686803.

The spelling of 422385284 in words is "four hundred twenty-two million, three hundred eighty-five thousand, two hundred eighty-four".