4002312225 has 48 divisors (see below), whose sum is σ = 7035299712. Its totient is φ = 2003189760.

The previous prime is 4002312221. The next prime is 4002312239. The reversal of 4002312225 is 5222132004.

It is not a de Polignac number, because 4002312225 - 2² = 4002312221 is a prime.

It is a super-3 number, since 3×4002312225³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4002312221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69537 + ... + 113313.

It is an arithmetic number, because the mean of its divisors is an integer number (146568744).

Almost surely, 2^4002312225 is an apocalyptic number.

It is an amenable number.

4002312225 is a deficient number, since it is larger than the sum of its proper divisors (3032987487).

4002312225 is a wasteful number, since it uses less digits than its factorization.

4002312225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43866 (or 43861 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4002312225 is about 63263.8303061078. The cubic root of 4002312225 is about 1587.7068620837.

Adding to 4002312225 its reverse (5222132004), we get a palindrome (9224444229).

The spelling of 4002312225 in words is "four billion, two million, three hundred twelve thousand, two hundred twenty-five".