2215440325 has 24 divisors (see below), whose sum is σ = 3143588480. Its totient is φ = 1517227200.

The previous prime is 2215440319. The next prime is 2215440347. The reversal of 2215440325 is 5230445122.

It is not a de Polignac number, because 2215440325 - 2³ = 2215440317 is a prime.

It is a super-2 number, since 2×2215440325² = 9816351667272211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2215440293 and 2215440302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137440 + ... + 152710.

Almost surely, 2^2215440325 is an apocalyptic number.

2215440325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215440325 is a deficient number, since it is larger than the sum of its proper divisors (928148155).

2215440325 is a wasteful number, since it uses less digits than its factorization.

2215440325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117 (or 16112 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2215440325 is about 47068.4642303103. The cubic root of 2215440325 is about 1303.6270161393.

Adding to 2215440325 its reverse (5230445122), we get a palindrome (7445885447).

The spelling of 2215440325 in words is "two billion, two hundred fifteen million, four hundred forty thousand, three hundred twenty-five".