422149698 has 16 divisors (see below), whose sum is σ = 938110560. Its totient is φ = 140716548.

The previous prime is 422149681. The next prime is 422149699. The reversal of 422149698 is 896941224.

It is not an unprimeable number, because it can be changed into a prime (422149699) 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, 3908740 + ... + 3908847.

It is an arithmetic number, because the mean of its divisors is an integer number (58631910).

Almost surely, 2^422149698 is an apocalyptic number.

422149698 is an abundant number, since it is smaller than the sum of its proper divisors (515960862).

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

422149698 is a wasteful number, since it uses less digits than its factorization.

422149698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817598 (or 7817592 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 422149698 is about 20546.2818534157. The cubic root of 422149698 is about 750.1627486813.

The spelling of 422149698 in words is "four hundred twenty-two million, one hundred forty-nine thousand, six hundred ninety-eight".