22112233222031 has 4 divisors (see below), whose sum is σ = 22112245459200. Its totient is φ = 22112220984864.

The previous prime is 22112233222007. The next prime is 22112233222061. The reversal of 22112233222031 is 13022233221122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112233222031 is a prime.

It is a super-2 number, since 2×22112233222031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112233222061) 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, 2812751 + ... + 7220528.

It is an arithmetic number, because the mean of its divisors is an integer number (5528061364800).

Almost surely, 2^{22112233222031} is an apocalyptic number.

22112233222031 is a deficient number, since it is larger than the sum of its proper divisors (12237169).

22112233222031 is a wasteful number, since it uses less digits than its factorization.

22112233222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237168.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22112233222031 its reverse (13022233221122), we get a palindrome (35134466443153).

Subtracting from 22112233222031 its reverse (13022233221122), we obtain a palindrome (9090000000909).

The spelling of 22112233222031 in words is "twenty-two trillion, one hundred twelve billion, two hundred thirty-three million, two hundred twenty-two thousand, thirty-one".