2312222202 has 48 divisors (see below), whose sum is σ = 5188147848. Its totient is φ = 743783040.

The previous prime is 2312222197. The next prime is 2312222243. The reversal of 2312222202 is 2022222132.

It can be written as a sum of positive squares in 4 ways, for example, as 2105983881 + 206238321 = 45891^2 + 14361^2 .

It is a super-2 number, since 2×2312222202² = 10692743022843457608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38328 + ... + 78060.

Almost surely, 2^2312222202 is an apocalyptic number.

2312222202 is an abundant number, since it is smaller than the sum of its proper divisors (2875925646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312222202 is a wasteful number, since it uses less digits than its factorization.

2312222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39855 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2312222202 is about 48085.5716613622. The cubic root of 2312222202 is about 1322.3401635250.

Adding to 2312222202 its reverse (2022222132), we get a palindrome (4334444334).

The spelling of 2312222202 in words is "two billion, three hundred twelve million, two hundred twenty-two thousand, two hundred two".