422918684 has 6 divisors (see below), whose sum is σ = 740107704. Its totient is φ = 211459340.

The previous prime is 422918651. The next prime is 422918693. The reversal of 422918684 is 486819224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52864832 + ... + 52864839.

It is an arithmetic number, because the mean of its divisors is an integer number (123351284).

Almost surely, 2^422918684 is an apocalyptic number.

It is an amenable number.

422918684 is a deficient number, since it is larger than the sum of its proper divisors (317189020).

422918684 is a wasteful number, since it uses less digits than its factorization.

422918684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105729675 (or 105729673 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 422918684 is about 20564.9868465798. The cubic root of 422918684 is about 750.6179700849.

The spelling of 422918684 in words is "four hundred twenty-two million, nine hundred eighteen thousand, six hundred eighty-four".