2115225 has 72 divisors (see below), whose sum is σ = 4642560. Its totient is φ = 898560.

The previous prime is 2115221. The next prime is 2115227. The reversal of 2115225 is 5225112.

2115225 = 25³ + 26³ + ... + 54³.

It is not a de Polignac number, because 2115225 - 2² = 2115221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2115198 and 2115207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26736 + ... + 26814.

It is an arithmetic number, because the mean of its divisors is an integer number (64480).

2^2115225 is an apocalyptic number.

2115225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2115225 is an abundant number, since it is smaller than the sum of its proper divisors (2527335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115225 is a wasteful number, since it uses less digits than its factorization.

2115225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 111 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 2115225 is about 1454.3813117611. The cubic root of 2115225 is about 128.3666449010.

The spelling of 2115225 in words is "two million, one hundred fifteen thousand, two hundred twenty-five".