2215425 has 24 divisors (see below), whose sum is σ = 3710080. Its totient is φ = 1166400.

The previous prime is 2215417. The next prime is 2215463. The reversal of 2215425 is 5245122.

It is a happy number.

It is not a de Polignac number, because 2215425 - 2³ = 2215417 is a prime.

It is a d-powerful number, because it can be written as 2 + 2⁶ + 1 + 5² + 4³ + 2¹⁸ + 5⁹ .

It is a Curzon 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, 8040 + ... + 8310.

2^2215425 is an apocalyptic number.

2215425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2215425 is a deficient number, since it is larger than the sum of its proper divisors (1494655).

2215425 is a wasteful number, since it uses less digits than its factorization.

2215425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 388 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 2215425 is about 1488.4303813078. The cubic root of 2215425 is about 130.3624010246.

The spelling of 2215425 in words is "two million, two hundred fifteen thousand, four hundred twenty-five".