422015132 has 96 divisors (see below), whose sum is σ = 984904704. Its totient is φ = 153331200.

The previous prime is 422015131. The next prime is 422015147. The reversal of 422015132 is 231510224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422015131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289718 + ... + 291170.

It is an arithmetic number, because the mean of its divisors is an integer number (10259424).

Almost surely, 2^422015132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422015132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492452352).

422015132 is an abundant number, since it is smaller than the sum of its proper divisors (562889572).

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

422015132 is a wasteful number, since it uses less digits than its factorization.

422015132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 422015132 is about 20543.0068879899. The cubic root of 422015132 is about 750.0830319924.

Adding to 422015132 its reverse (231510224), we get a palindrome (653525356).

The spelling of 422015132 in words is "four hundred twenty-two million, fifteen thousand, one hundred thirty-two".