422401332 has 48 divisors (see below), whose sum is σ = 1011310272. Its totient is φ = 137172480.

The previous prime is 422401307. The next prime is 422401333. The reversal of 422401332 is 233104224.

It is a junction number, because it is equal to n+sod(n) for n = 422401299 and 422401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422401333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75628 + ... + 81020.

It is an arithmetic number, because the mean of its divisors is an integer number (21068964).

Almost surely, 2^422401332 is an apocalyptic number.

It is an amenable number.

422401332 is an abundant number, since it is smaller than the sum of its proper divisors (588908940).

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

422401332 is a wasteful number, since it uses less digits than its factorization.

422401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 422401332 is about 20552.4045308572. The cubic root of 422401332 is about 750.3117708251.

Adding to 422401332 its reverse (233104224), we get a palindrome (655505556).

The spelling of 422401332 in words is "four hundred twenty-two million, four hundred one thousand, three hundred thirty-two".