431340323222 has 16 divisors (see below), whose sum is σ = 648787558272. Its totient is φ = 215078561280.

The previous prime is 431340323209. The next prime is 431340323251. The reversal of 431340323222 is 222323043134.

It is a super-2 number, since 2×431340323222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955028 + ... + 1332200.

It is an arithmetic number, because the mean of its divisors is an integer number (40549222392).

Almost surely, 2^431340323222 is an apocalyptic number.

431340323222 is a deficient number, since it is larger than the sum of its proper divisors (217447235050).

431340323222 is a wasteful number, since it uses less digits than its factorization.

431340323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378743.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 431340323222 its reverse (222323043134), we get a palindrome (653663366356).

The spelling of 431340323222 in words is "four hundred thirty-one billion, three hundred forty million, three hundred twenty-three thousand, two hundred twenty-two".