422741172 has 48 divisors (see below), whose sum is σ = 1163681792. Its totient is φ = 116886240.

The previous prime is 422741147. The next prime is 422741237. The reversal of 422741172 is 271147224.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78568 + ... + 83775.

Almost surely, 2^422741172 is an apocalyptic number.

422741172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422741172 is an abundant number, since it is smaller than the sum of its proper divisors (740940620).

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

422741172 is a wasteful number, since it uses less digits than its factorization.

422741172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162388 (or 162386 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 422741172 is about 20560.6705143582. The cubic root of 422741172 is about 750.5129362264.

Adding to 422741172 its reverse (271147224), we get a palindrome (693888396).

The spelling of 422741172 in words is "four hundred twenty-two million, seven hundred forty-one thousand, one hundred seventy-two".