22124221131 has 8 divisors (see below), whose sum is σ = 29499679440. Its totient is φ = 14749121792.

The previous prime is 22124221121. The next prime is 22124221139. The reversal of 22124221131 is 13112242122.

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 not a de Polignac number, because 22124221131 - 2⁵ = 22124221099 is a prime.

It is a super-2 number, since 2×22124221131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22124221098 and 22124221107.

It is not an unprimeable number, because it can be changed into a prime (22124221139) 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, 133171 + ... + 248963.

It is an arithmetic number, because the mean of its divisors is an integer number (3687459930).

Almost surely, 2^22124221131 is an apocalyptic number.

22124221131 is a deficient number, since it is larger than the sum of its proper divisors (7375458309).

22124221131 is a wasteful number, since it uses less digits than its factorization.

22124221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179485.

The product of its digits is 384, while the sum is 21.

Adding to 22124221131 its reverse (13112242122), we get a palindrome (35236463253).

The spelling of 22124221131 in words is "twenty-two billion, one hundred twenty-four million, two hundred twenty-one thousand, one hundred thirty-one".