31422222412 has 24 divisors (see below), whose sum is σ = 63049167104. Its totient is φ = 13422797712.

The previous prime is 31422222371. The next prime is 31422222427. The reversal of 31422222412 is 21422222413.

It is a super-2 number, since 2×31422222412² (a number of 22 digits) contains 22 as substring.

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, 1819128 + ... + 1836319.

Almost surely, 2^31422222412 is an apocalyptic number.

It is an amenable number.

31422222412 is an abundant number, since it is smaller than the sum of its proper divisors (31626944692).

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

31422222412 is a wasteful number, since it uses less digits than its factorization.

31422222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655765 (or 3655763 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

Adding to 31422222412 its reverse (21422222413), we get a palindrome (52844444825).

Subtracting from 31422222412 its reverse (21422222413), we obtain a palindrome (9999999999).

The spelling of 31422222412 in words is "thirty-one billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred twelve".