220022233231 has 4 divisors (see below), whose sum is σ = 220037487832. Its totient is φ = 220006978632.

The previous prime is 220022233199. The next prime is 220022233259. The reversal of 220022233231 is 132332220022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132332220022 = 2 ⋅66166110011.

It is a cyclic number.

It is not a de Polignac number, because 220022233231 - 2⁵ = 220022233199 is a prime.

It is a super-2 number, since 2×220022233231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022239231) 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, 7605645 + ... + 7634518.

It is an arithmetic number, because the mean of its divisors is an integer number (55009371958).

Almost surely, 2^220022233231 is an apocalyptic number.

220022233231 is a deficient number, since it is larger than the sum of its proper divisors (15254601).

220022233231 is a wasteful number, since it uses less digits than its factorization.

220022233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254600.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220022233231 its reverse (132332220022), we get a palindrome (352354453253).

The spelling of 220022233231 in words is "two hundred twenty billion, twenty-two million, two hundred thirty-three thousand, two hundred thirty-one".