2231215025 has 12 divisors (see below), whose sum is σ = 2979530652. Its totient is φ = 1647666240.

The previous prime is 2231215001. The next prime is 2231215037. The reversal of 2231215025 is 5205121322.

It can be written as a sum of positive squares in 6 ways, for example, as 73891216 + 2157323809 = 8596^2 + 46447^2 .

It is not a de Polignac number, because 2231215025 - 2¹⁰ = 2231214001 is a prime.

It is a super-3 number, since 3×2231215025³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3432314 + ... + 3432963.

It is an arithmetic number, because the mean of its divisors is an integer number (248294221).

Almost surely, 2^2231215025 is an apocalyptic number.

2231215025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2231215025 is a deficient number, since it is larger than the sum of its proper divisors (748315627).

2231215025 is a wasteful number, since it uses less digits than its factorization.

2231215025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865300 (or 6865295 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2231215025 is about 47235.7388531184. The cubic root of 2231215025 is about 1306.7137928636.

Adding to 2231215025 its reverse (5205121322), we get a palindrome (7436336347).

The spelling of 2231215025 in words is "two billion, two hundred thirty-one million, two hundred fifteen thousand, twenty-five".