2331225945 has 24 divisors (see below), whose sum is σ = 4080807432. Its totient is φ = 1231008000.

The previous prime is 2331225943. The next prime is 2331225983. The reversal of 2331225945 is 5495221332.

It can be written as a sum of positive squares in 4 ways, for example, as 180956304 + 2150269641 = 13452^2 + 46371^2 .

It is not a de Polignac number, because 2331225945 - 2¹ = 2331225943 is a prime.

It is a super-2 number, since 2×2331225945² = 10869228813282286050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2331225943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251916 + ... + 261005.

It is an arithmetic number, because the mean of its divisors is an integer number (170033643).

Almost surely, 2^2331225945 is an apocalyptic number.

It is an amenable number.

2331225945 is a deficient number, since it is larger than the sum of its proper divisors (1749581487).

2331225945 is a wasteful number, since it uses less digits than its factorization.

2331225945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513033 (or 513030 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 2331225945 is about 48282.7706847898. The cubic root of 2331225945 is about 1325.9529767045.

The spelling of 2331225945 in words is "two billion, three hundred thirty-one million, two hundred twenty-five thousand, nine hundred forty-five".