2642225 has 12 divisors (see below), whose sum is σ = 3469644. Its totient is φ = 1989120.

The previous prime is 2642203. The next prime is 2642231. The reversal of 2642225 is 5222462.

It can be written as a sum of positive squares in 6 ways, for example, as 43681 + 2598544 = 209^2 + 1612^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2642225 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 6² + 4 + 2¹² + 2¹⁹ + 2²¹ + 5⁶ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642225.

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, 2684 + ... + 3533.

It is an arithmetic number, because the mean of its divisors is an integer number (289137).

2^2642225 is an apocalyptic number.

2642225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2642225 is a deficient number, since it is larger than the sum of its proper divisors (827419).

2642225 is a wasteful number, since it uses less digits than its factorization.

2642225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244 (or 6239 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 2642225 is about 1625.4922331405. The cubic root of 2642225 is about 138.2472812016.

Adding to 2642225 its reverse (5222462), we get a palindrome (7864687).

The spelling of 2642225 in words is "two million, six hundred forty-two thousand, two hundred twenty-five".