31422022113222 has 384 divisors, whose sum is σ = 79912707840000. Its totient is φ = 9096397148160.

The previous prime is 31422022113193. The next prime is 31422022113259. The reversal of 31422022113222 is 22231122022413.

31422022113222 is a `hidden beast` number, since 3 + 1 + 4 + 220 + 2 + 211 + 3 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30836135029 + ... + 30836136047.

It is an arithmetic number, because the mean of its divisors is an integer number (208106010000).

Almost surely, 2^{31422022113222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31422022113222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39956353920000).

31422022113222 is an abundant number, since it is smaller than the sum of its proper divisors (48490685726778).

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

31422022113222 is a wasteful number, since it uses less digits than its factorization.

31422022113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31422022113222 its reverse (22231122022413), we get a palindrome (53653144135635).

The spelling of 31422022113222 in words is "thirty-one trillion, four hundred twenty-two billion, twenty-two million, one hundred thirteen thousand, two hundred twenty-two".