422861192 has 16 divisors (see below), whose sum is σ = 853854540. Its totient is φ = 195166656.

The previous prime is 422861177. The next prime is 422861239. The reversal of 422861192 is 291168224.

It can be written as a sum of positive squares in 2 ways, for example, as 342472036 + 80389156 = 18506^2 + 8966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032883 + ... + 2033090.

Almost surely, 2^422861192 is an apocalyptic number.

It is an amenable number.

422861192 is an abundant number, since it is smaller than the sum of its proper divisors (430993348).

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

422861192 is a wasteful number, since it uses less digits than its factorization.

422861192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065992 (or 4065988 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 422861192 is about 20563.5889863613. The cubic root of 422861192 is about 750.5839552844.

The spelling of 422861192 in words is "four hundred twenty-two million, eight hundred sixty-one thousand, one hundred ninety-two".