22022232131 has 8 divisors (see below), whose sum is σ = 23807819280. Its totient is φ = 20299297248.

The previous prime is 22022232121. The next prime is 22022232163. The reversal of 22022232131 is 13123222022.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022232131 is a prime.

It is a super-2 number, since 2×22022232131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15662336 + ... + 15663741.

It is an arithmetic number, because the mean of its divisors is an integer number (2975977410).

Almost surely, 2^22022232131 is an apocalyptic number.

22022232131 is a deficient number, since it is larger than the sum of its proper divisors (1785587149).

22022232131 is a wasteful number, since it uses less digits than its factorization.

22022232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31326133.

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

Adding to 22022232131 its reverse (13123222022), we get a palindrome (35145454153).

The spelling of 22022232131 in words is "twenty-two billion, twenty-two million, two hundred thirty-two thousand, one hundred thirty-one".