2231252345 has 16 divisors (see below), whose sum is σ = 3088081920. Its totient is φ = 1515962304.

The previous prime is 2231252321. The next prime is 2231252369. The reversal of 2231252345 is 5432521322.

It is an interprime number because it is at equal distance from previous prime (2231252321) and next prime (2231252369).

It is a cyclic number.

It is not a de Polignac number, because 2231252345 - 2³⁰ = 1157510521 is a prime.

It is a super-3 number, since 3×2231252345³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288617 + ... + 296246.

It is an arithmetic number, because the mean of its divisors is an integer number (193005120).

Almost surely, 2^2231252345 is an apocalyptic number.

It is an amenable number.

2231252345 is a deficient number, since it is larger than the sum of its proper divisors (856829575).

2231252345 is a wasteful number, since it uses less digits than its factorization.

2231252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584984.

The product of its digits is 14400, while the sum is 29.

The square root of 2231252345 is about 47236.1338913337. The cubic root of 2231252345 is about 1306.7210783242.

Adding to 2231252345 its reverse (5432521322), we get a palindrome (7663773667).

The spelling of 2231252345 in words is "two billion, two hundred thirty-one million, two hundred fifty-two thousand, three hundred forty-five".