2202023231 has 4 divisors (see below), whose sum is σ = 2202671832. Its totient is φ = 2201374632.

The previous prime is 2202023177. The next prime is 2202023233. The reversal of 2202023231 is 1323202022.

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

It is a cyclic number.

It is not a de Polignac number, because 2202023231 - 2⁶ = 2202023167 is a prime.

It is a super-2 number, since 2×2202023231² = 9697812619727358722, which 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 (2202023233) 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, 319181 + ... + 326006.

It is an arithmetic number, because the mean of its divisors is an integer number (550667958).

Almost surely, 2^2202023231 is an apocalyptic number.

2202023231 is a deficient number, since it is larger than the sum of its proper divisors (648601).

2202023231 is an equidigital number, since it uses as much as digits as its factorization.

2202023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648600.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2202023231 is about 46925.7203567511. The cubic root of 2202023231 is about 1300.9900211984.

Adding to 2202023231 its reverse (1323202022), we get a palindrome (3525225253).

The spelling of 2202023231 in words is "two billion, two hundred two million, twenty-three thousand, two hundred thirty-one".