431422332 has 48 divisors (see below), whose sum is σ = 1118904192. Its totient is φ = 128265280.

The previous prime is 431422291. The next prime is 431422333. The reversal of 431422332 is 233224134.

It is a super-2 number, since 2×431422332² = 372250457096636448, which contains 22 as substring.

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 (431422333) 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, 23838 + ... + 37829.

It is an arithmetic number, because the mean of its divisors is an integer number (23310504).

Almost surely, 2^431422332 is an apocalyptic number.

It is an amenable number.

431422332 is an abundant number, since it is smaller than the sum of its proper divisors (687481860).

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

431422332 is a wasteful number, since it uses less digits than its factorization.

431422332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61738 (or 61736 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 431422332 is about 20770.7085098222. The cubic root of 431422332 is about 755.6155277495.

Adding to 431422332 its reverse (233224134), we get a palindrome (664646466).

The spelling of 431422332 in words is "four hundred thirty-one million, four hundred twenty-two thousand, three hundred thirty-two".