2215120025 has 12 divisors (see below), whose sum is σ = 2748646992. Its totient is φ = 1770871440.

The previous prime is 2215120007. The next prime is 2215120027. The reversal of 2215120025 is 5200215122.

It is a happy number.

It is not a de Polignac number, because 2215120025 - 2⁶ = 2215119961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215119979 and 2215120006.

It is not an unprimeable number, because it can be changed into a prime (2215120027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7202 + ... + 66948.

It is an arithmetic number, because the mean of its divisors is an integer number (229053916).

Almost surely, 2^2215120025 is an apocalyptic number.

2215120025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215120025 is a deficient number, since it is larger than the sum of its proper divisors (533526967).

2215120025 is a wasteful number, since it uses less digits than its factorization.

2215120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61240 (or 61235 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2215120025 is about 47065.0616168724. The cubic root of 2215120025 is about 1303.5641886202.

Adding to 2215120025 its reverse (5200215122), we get a palindrome (7415335147).

The spelling of 2215120025 in words is "two billion, two hundred fifteen million, one hundred twenty thousand, twenty-five".