2315222132 has 6 divisors (see below), whose sum is σ = 4051638738. Its totient is φ = 1157611064.

The previous prime is 2315222099. The next prime is 2315222137. The reversal of 2315222132 is 2312225132.

It can be written as a sum of positive squares in only one way, i.e., 1686416356 + 628805776 = 41066^2 + 25076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2315222098 and 2315222107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315222137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289402763 + ... + 289402770.

It is an arithmetic number, because the mean of its divisors is an integer number (675273123).

Almost surely, 2^2315222132 is an apocalyptic number.

It is an amenable number.

2315222132 is a deficient number, since it is larger than the sum of its proper divisors (1736416606).

2315222132 is a wasteful number, since it uses less digits than its factorization.

2315222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578805537 (or 578805535 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2315222132 is about 48116.7552106332. The cubic root of 2315222132 is about 1322.9117945104.

Adding to 2315222132 its reverse (2312225132), we get a palindrome (4627447264).

The spelling of 2315222132 in words is "two billion, three hundred fifteen million, two hundred twenty-two thousand, one hundred thirty-two".