2957225 has 24 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 2185920.

The previous prime is 2957197. The next prime is 2957231. The reversal of 2957225 is 5227592.

It is a happy number.

It is not a de Polignac number, because 2957225 - 2⁶ = 2957161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2957191 and 2957200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21206 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (164920).

2^2957225 is an apocalyptic number.

2957225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2957225 is a deficient number, since it is larger than the sum of its proper divisors (1000855).

2957225 is a wasteful number, since it uses less digits than its factorization.

2957225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 204 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 2957225 is about 1719.6583963102. The cubic root of 2957225 is about 143.5362039228.

The spelling of 2957225 in words is "two million, nine hundred fifty-seven thousand, two hundred twenty-five".