222020203231 has 24 divisors (see below), whose sum is σ = 227309829120. Its totient is φ = 216844689600.

The previous prime is 222020203193. The next prime is 222020203241. The reversal of 222020203231 is 132302020222.

It is not a de Polignac number, because 222020203231 - 2³⁵ = 187660464863 is a prime.

It is a super-2 number, since 2×222020203231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222020203199 and 222020203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020203241) 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, 336904380 + ... + 336905038.

It is an arithmetic number, because the mean of its divisors is an integer number (9471242880).

Almost surely, 2^222020203231 is an apocalyptic number.

222020203231 is a deficient number, since it is larger than the sum of its proper divisors (5289625889).

222020203231 is an equidigital number, since it uses as much as digits as its factorization.

222020203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 222020203231 its reverse (132302020222), we get a palindrome (354322223453).

The spelling of 222020203231 in words is "two hundred twenty-two billion, twenty million, two hundred three thousand, two hundred thirty-one".