220023222131 has 4 divisors (see below), whose sum is σ = 220029273072. Its totient is φ = 220017171192.

The previous prime is 220023222121. The next prime is 220023222247. The reversal of 220023222131 is 131222320022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131222320022 = 2 ⋅65611160011.

It is a cyclic number.

It is not a de Polignac number, because 220023222131 - 2¹⁸ = 220022959987 is a prime.

It is a super-2 number, since 2×220023222131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220023222101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970596 + ... + 3043761.

It is an arithmetic number, because the mean of its divisors is an integer number (55007318268).

Almost surely, 2^220023222131 is an apocalyptic number.

220023222131 is a deficient number, since it is larger than the sum of its proper divisors (6050941).

220023222131 is an equidigital number, since it uses as much as digits as its factorization.

220023222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050940.

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

Adding to 220023222131 its reverse (131222320022), we get a palindrome (351245542153).

The spelling of 220023222131 in words is "two hundred twenty billion, twenty-three million, two hundred twenty-two thousand, one hundred thirty-one".