220022031012231 has 24 divisors (see below), whose sum is σ = 341050551789184. Its totient is φ = 123595910842320.

The previous prime is 220022031012229. The next prime is 220022031012257. The reversal of 220022031012231 is 132210130220022.

It is not a de Polignac number, because 220022031012231 - 2¹ = 220022031012229 is a prime.

It is a super-2 number, since 2×220022031012231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220022031012198 and 220022031012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022031012431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1504844965 + ... + 1504991166.

Almost surely, 2^{220022031012231} is an apocalyptic number.

220022031012231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220022031012231 is a deficient number, since it is larger than the sum of its proper divisors (121028520776953).

220022031012231 is an equidigital number, since it uses as much as digits as its factorization.

220022031012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009836259 (or 3009836200 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 220022031012231 its reverse (132210130220022), we get a palindrome (352232161232253).

The spelling of 220022031012231 in words is "two hundred twenty trillion, twenty-two billion, thirty-one million, twelve thousand, two hundred thirty-one".