431220405222 has 12 divisors (see below), whose sum is σ = 934310878020. Its totient is φ = 143740135068.

The previous prime is 431220405191. The next prime is 431220405269. The reversal of 431220405222 is 222504022134.

431220405222 is a `hidden beast` number, since 4 + 3 + 12 + 20 + 405 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11978344572 + ... + 11978344607.

It is an arithmetic number, because the mean of its divisors is an integer number (77859239835).

Almost surely, 2^431220405222 is an apocalyptic number.

431220405222 is an abundant number, since it is smaller than the sum of its proper divisors (503090472798).

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

431220405222 is a wasteful number, since it uses less digits than its factorization.

431220405222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23956689187 (or 23956689184 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 431220405222 its reverse (222504022134), we get a palindrome (653724427356).

The spelling of 431220405222 in words is "four hundred thirty-one billion, two hundred twenty million, four hundred five thousand, two hundred twenty-two".