22123311331 has 8 divisors (see below), whose sum is σ = 24355940400. Its totient is φ = 19927585440.

The previous prime is 22123311311. The next prime is 22123311341. The reversal of 22123311331 is 13311332122.

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

It is a cyclic number.

It is not a de Polignac number, because 22123311331 - 2⁹ = 22123310819 is a prime.

It is a super-2 number, since 2×22123311331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22123311311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9224536 + ... + 9226933.

It is an arithmetic number, because the mean of its divisors is an integer number (3044492550).

Almost surely, 2^22123311331 is an apocalyptic number.

22123311331 is a deficient number, since it is larger than the sum of its proper divisors (2232629069).

22123311331 is a wasteful number, since it uses less digits than its factorization.

22123311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18451589.

The product of its digits is 648, while the sum is 22.

Adding to 22123311331 its reverse (13311332122), we get a palindrome (35434643453).

The spelling of 22123311331 in words is "twenty-two billion, one hundred twenty-three million, three hundred eleven thousand, three hundred thirty-one".