422240152 has 32 divisors (see below), whose sum is σ = 860937120. Its totient is φ = 193328640.

The previous prime is 422240131. The next prime is 422240153. The reversal of 422240152 is 251042224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422240153) 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, 36924 + ... + 46987.

It is an arithmetic number, because the mean of its divisors is an integer number (26904285).

Almost surely, 2^422240152 is an apocalyptic number.

It is an amenable number.

422240152 is an abundant number, since it is smaller than the sum of its proper divisors (438696968).

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

422240152 is a wasteful number, since it uses less digits than its factorization.

422240152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83971 (or 83967 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 422240152 is about 20548.4829610363. The cubic root of 422240152 is about 750.2163239696.

Adding to 422240152 its reverse (251042224), we get a palindrome (673282376).

The spelling of 422240152 in words is "four hundred twenty-two million, two hundred forty thousand, one hundred fifty-two".