220022303213 has 4 divisors (see below), whose sum is σ = 220454567580. Its totient is φ = 219590038848.

The previous prime is 220022303173. The next prime is 220022303219. The reversal of 220022303213 is 312303220022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312303220022 = 2 ⋅156151610011.

It can be written as a sum of positive squares in 2 ways, for example, as 148315103689 + 71707199524 = 385117^2 + 267782^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022303213 - 2²² = 220018108909 is a prime.

It is a super-2 number, since 2×220022303213² (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 (220022303219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216131420 + ... + 216132437.

It is an arithmetic number, because the mean of its divisors is an integer number (55113641895).

Almost surely, 2^220022303213 is an apocalyptic number.

It is an amenable number.

220022303213 is a deficient number, since it is larger than the sum of its proper divisors (432264367).

220022303213 is an equidigital number, since it uses as much as digits as its factorization.

220022303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432264366.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220022303213 its reverse (312303220022), we get a palindrome (532325523235).

The spelling of 220022303213 in words is "two hundred twenty billion, twenty-two million, three hundred three thousand, two hundred thirteen".