2130225 has 12 divisors (see below), whose sum is σ = 3522096. Its totient is φ = 1136080.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130225 is 5220312.

It is not a de Polignac number, because 2130225 - 2⁴ = 2130209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14127 + ... + 14276.

It is an arithmetic number, because the mean of its divisors is an integer number (293508).

2^2130225 is an apocalyptic number.

2130225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130225 is a deficient number, since it is larger than the sum of its proper divisors (1391871).

2130225 is a wasteful number, since it uses less digits than its factorization.

2130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28416 (or 28411 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2130225 is about 1459.5290336269. The cubic root of 2130225 is about 128.6693654148.

Adding to 2130225 its reverse (5220312), we get a palindrome (7350537).

The spelling of 2130225 in words is "two million, one hundred thirty thousand, two hundred twenty-five".