202220412231 has 4 divisors (see below), whose sum is σ = 269627216312. Its totient is φ = 134813608152.

The previous prime is 202220412223. The next prime is 202220412259. The reversal of 202220412231 is 132214022202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 202220412231 - 2³ = 202220412223 is a prime.

It is a super-2 number, since 2×202220412231² (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 = 202220412198 and 202220412207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220412431) 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, 33703402036 + ... + 33703402041.

It is an arithmetic number, because the mean of its divisors is an integer number (67406804078).

Almost surely, 2^202220412231 is an apocalyptic number.

202220412231 is a deficient number, since it is larger than the sum of its proper divisors (67406804081).

202220412231 is an equidigital number, since it uses as much as digits as its factorization.

202220412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67406804080.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202220412231 its reverse (132214022202), we get a palindrome (334434434433).

The spelling of 202220412231 in words is "two hundred two billion, two hundred twenty million, four hundred twelve thousand, two hundred thirty-one".