22320222131 has 4 divisors (see below), whose sum is σ = 23633176392. Its totient is φ = 21007267872.

The previous prime is 22320222083. The next prime is 22320222161. The reversal of 22320222131 is 13122202322.

It is a happy number.

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-22320222131 is a prime.

It is a super-3 number, since 3×22320222131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22320222161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656477105 + ... + 656477138.

It is an arithmetic number, because the mean of its divisors is an integer number (5908294098).

Almost surely, 2^22320222131 is an apocalyptic number.

22320222131 is a deficient number, since it is larger than the sum of its proper divisors (1312954261).

22320222131 is a wasteful number, since it uses less digits than its factorization.

22320222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312954260.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22320222131 its reverse (13122202322), we get a palindrome (35442424453).

The spelling of 22320222131 in words is "twenty-two billion, three hundred twenty million, two hundred twenty-two thousand, one hundred thirty-one".