2215321325 has 48 divisors (see below), whose sum is σ = 3184558080. Its totient is φ = 1497424320.

The previous prime is 2215321319. The next prime is 2215321327. The reversal of 2215321325 is 5231235122.

It is a happy number.

It is not a de Polignac number, because 2215321325 - 2¹² = 2215317229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215321294 and 2215321303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215321327) 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, 5844986 + ... + 5845364.

It is an arithmetic number, because the mean of its divisors is an integer number (66344960).

Almost surely, 2^2215321325 is an apocalyptic number.

2215321325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215321325 is a deficient number, since it is larger than the sum of its proper divisors (969236755).

2215321325 is a wasteful number, since it uses less digits than its factorization.

2215321325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 781 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 2215321325 is about 47067.2000973077. The cubic root of 2215321325 is about 1303.6036747458.

Adding to 2215321325 its reverse (5231235122), we get a palindrome (7446556447).

The spelling of 2215321325 in words is "two billion, two hundred fifteen million, three hundred twenty-one thousand, three hundred twenty-five".