2192225 has 12 divisors (see below), whose sum is σ = 3106944. Its totient is φ = 1503120.

The previous prime is 2192207. The next prime is 2192243. The reversal of 2192225 is 5222912.

It is an interprime number because it is at equal distance from previous prime (2192207) and next prime (2192243).

It is not a de Polignac number, because 2192225 - 2⁶ = 2192161 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 9⁵ + 2⁷ + 2¹⁵ + 2²¹ + 5⁵ .

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2192225.

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, 6089 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (258912).

2^2192225 is an apocalyptic number.

2192225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2192225 is a deficient number, since it is larger than the sum of its proper divisors (914719).

2192225 is a wasteful number, since it uses less digits than its factorization.

2192225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544 (or 12539 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2192225 is about 1480.6164256822. The cubic root of 2192225 is about 129.9057502260.

The spelling of 2192225 in words is "two million, one hundred ninety-two thousand, two hundred twenty-five".