231222334552 has 16 divisors (see below), whose sum is σ = 472954775400. Its totient is φ = 105101061120.

The previous prime is 231222334531. The next prime is 231222334571. The reversal of 231222334552 is 255433222132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313763177 + ... + 1313763352.

Almost surely, 2^231222334552 is an apocalyptic number.

231222334552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231222334552 is an abundant number, since it is smaller than the sum of its proper divisors (241732440848).

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

231222334552 is a wasteful number, since it uses less digits than its factorization.

231222334552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627526546 (or 2627526542 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 231222334552 its reverse (255433222132), we get a palindrome (486655556684).

The spelling of 231222334552 in words is "two hundred thirty-one billion, two hundred twenty-two million, three hundred thirty-four thousand, five hundred fifty-two".