2202121323 has 20 divisors (see below), whose sum is σ = 3294782568. Its totient is φ = 1465763040.

The previous prime is 2202121319. The next prime is 2202121343. The reversal of 2202121323 is 3231212022.

2202121323 is a `hidden beast` number, since 220 + 2 + 121 + 323 = 666.

It is not a de Polignac number, because 2202121323 - 2² = 2202121319 is a prime.

It is a super-2 number, since 2×2202121323² = 9698676642422540658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2202121296 and 2202121305.

It is not an unprimeable number, because it can be changed into a prime (2202121343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30943 + ... + 73223.

Almost surely, 2^2202121323 is an apocalyptic number.

2202121323 is a deficient number, since it is larger than the sum of its proper divisors (1092661245).

2202121323 is an equidigital number, since it uses as much as digits as its factorization.

2202121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42936 (or 42927 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2202121323 is about 46926.7655288536. The cubic root of 2202121323 is about 1301.0093390113.

Adding to 2202121323 its reverse (3231212022), we get a palindrome (5433333345).

The spelling of 2202121323 in words is "two billion, two hundred two million, one hundred twenty-one thousand, three hundred twenty-three".