22331132331 has 8 divisors (see below), whose sum is σ = 31069401600. Its totient is φ = 14240142312.

The previous prime is 22331132309. The next prime is 22331132333. The reversal of 22331132331 is 13323113322.

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

It is not a de Polignac number, because 22331132331 - 2¹⁰ = 22331131307 is a prime.

It is a super-2 number, since 2×22331132331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22331132333) 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, 161819731 + ... + 161819868.

It is an arithmetic number, because the mean of its divisors is an integer number (3883675200).

Almost surely, 2^22331132331 is an apocalyptic number.

22331132331 is a deficient number, since it is larger than the sum of its proper divisors (8738269269).

22331132331 is a wasteful number, since it uses less digits than its factorization.

22331132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323639625.

The product of its digits is 1944, while the sum is 24.

Adding to 22331132331 its reverse (13323113322), we get a palindrome (35654245653).

The spelling of 22331132331 in words is "twenty-two billion, three hundred thirty-one million, one hundred thirty-two thousand, three hundred thirty-one".