431000422 has 16 divisors (see below), whose sum is σ = 684931680. Its totient is φ = 202704768.

The previous prime is 431000417. The next prime is 431000429. The reversal of 431000422 is 224000134.

It is a super-2 number, since 2×431000422² = 371522727528356168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431000396 and 431000405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431000429) 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, 87604 + ... + 92392.

It is an arithmetic number, because the mean of its divisors is an integer number (42808230).

Almost surely, 2^431000422 is an apocalyptic number.

431000422 is a deficient number, since it is larger than the sum of its proper divisors (253931258).

431000422 is a wasteful number, since it uses less digits than its factorization.

431000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 431000422 is about 20760.5496555366. The cubic root of 431000422 is about 755.3691290320.

Adding to 431000422 its reverse (224000134), we get a palindrome (655000556).

The spelling of 431000422 in words is "four hundred thirty-one million, four hundred twenty-two", and thus it is an aban number.