422372412 has 144 divisors (see below), whose sum is σ = 1409571072. Its totient is φ = 103242240.

The previous prime is 422372411. The next prime is 422372441. The reversal of 422372412 is 214273224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422372411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42643 + ... + 51605.

It is an arithmetic number, because the mean of its divisors is an integer number (9788688).

Almost surely, 2^422372412 is an apocalyptic number.

422372412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422372412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704785536).

422372412 is an abundant number, since it is smaller than the sum of its proper divisors (987198660).

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

422372412 is a wasteful number, since it uses less digits than its factorization.

422372412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008 (or 9003 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 422372412 is about 20551.7009515028. The cubic root of 422372412 is about 750.2946468958.

The spelling of 422372412 in words is "four hundred twenty-two million, three hundred seventy-two thousand, four hundred twelve".