2572225 has 12 divisors (see below), whose sum is σ = 3293440. Its totient is φ = 1990800.

The previous prime is 2572211. The next prime is 2572231. The reversal of 2572225 is 5222752.

It is not a de Polignac number, because 2572225 - 2⁹ = 2571713 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 2 + 5³ + 7⁴ + 2¹⁴ + 2¹⁶ + 2²¹ + 5⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2572225.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 885 + ... + 2434.

2^2572225 is an apocalyptic number.

2572225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2572225 is a deficient number, since it is larger than the sum of its proper divisors (721215).

2572225 is a wasteful number, since it uses less digits than its factorization.

2572225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3355 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 2572225 is about 1603.8157624865. The cubic root of 2572225 is about 137.0154847789.

Adding to 2572225 its reverse (5222752), we get a palindrome (7794977).

The spelling of 2572225 in words is "two million, five hundred seventy-two thousand, two hundred twenty-five".