31222233122 has 8 divisors (see below), whose sum is σ = 47043365376. Its totient is φ = 15541111332.

The previous prime is 31222233109. The next prime is 31222233127. The reversal of 31222233122 is 22133222213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31222233122² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31222233127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35002058 + ... + 35002949.

It is an arithmetic number, because the mean of its divisors is an integer number (5880420672).

Almost surely, 2^31222233122 is an apocalyptic number.

31222233122 is a deficient number, since it is larger than the sum of its proper divisors (15821132254).

31222233122 is a wasteful number, since it uses less digits than its factorization.

31222233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70005232.

The product of its digits is 1728, while the sum is 23.

Adding to 31222233122 its reverse (22133222213), we get a palindrome (53355455335).

The spelling of 31222233122 in words is "thirty-one billion, two hundred twenty-two million, two hundred thirty-three thousand, one hundred twenty-two".