312231003222 has 16 divisors (see below), whose sum is σ = 645995179440. Its totient is φ = 100488138912.

The previous prime is 312231003211. The next prime is 312231003239. The reversal of 312231003222 is 222300132213.

It is a happy number.

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, 897215353 + ... + 897215700.

It is an arithmetic number, because the mean of its divisors is an integer number (40374698715).

Almost surely, 2^312231003222 is an apocalyptic number.

312231003222 is an abundant number, since it is smaller than the sum of its proper divisors (333764176218).

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

312231003222 is a wasteful number, since it uses less digits than its factorization.

312231003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794431087.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312231003222 its reverse (222300132213), we get a palindrome (534531135435).

The spelling of 312231003222 in words is "three hundred twelve billion, two hundred thirty-one million, three thousand, two hundred twenty-two".