231222311400022 has 32 divisors (see below), whose sum is σ = 362281638044160. Its totient is φ = 110472010608960.

The previous prime is 231222311400019. The next prime is 231222311400043. The reversal of 231222311400022 is 220004113222132.

231222311400022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231222311400022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093490418 + ... + 1093701850.

It is an arithmetic number, because the mean of its divisors is an integer number (11321301188880).

Almost surely, 2^{231222311400022} is an apocalyptic number.

231222311400022 is a deficient number, since it is larger than the sum of its proper divisors (131059326644138).

231222311400022 is a wasteful number, since it uses less digits than its factorization.

231222311400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235548.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 231222311400022 its reverse (220004113222132), we get a palindrome (451226424622154).

The spelling of 231222311400022 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred eleven million, four hundred thousand, twenty-two".