223020220331 has 2 divisors, whose sum is σ = 223020220332. Its totient is φ = 223020220330.

The previous prime is 223020220301. The next prime is 223020220333. The reversal of 223020220331 is 133022020322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223020220331 - 2²⁶ = 222953111467 is a prime.

It is a super-2 number, since 2×223020220331² (a number of 23 digits) contains 22 as substring.

Together with 223020220333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223020220333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510110165 + 111510110166.

It is an arithmetic number, because the mean of its divisors is an integer number (111510110166).

Almost surely, 2^223020220331 is an apocalyptic number.

223020220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

223020220331 is an equidigital number, since it uses as much as digits as its factorization.

223020220331 is an evil number, because the sum of its binary digits is even.

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

Adding to 223020220331 its reverse (133022020322), we get a palindrome (356042240653).

Subtracting from 223020220331 its reverse (133022020322), we obtain a square (89998200009 = 299997²).

The spelling of 223020220331 in words is "two hundred twenty-three billion, twenty million, two hundred twenty thousand, three hundred thirty-one".