2225782 has 8 divisors (see below), whose sum is σ = 3595536. Its totient is φ = 1027272.

The previous prime is 2225777. The next prime is 2225791. The reversal of 2225782 is 2875222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225782.

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 3 ways as a sum of consecutive naturals, for example, 42778 + ... + 42829.

It is an arithmetic number, because the mean of its divisors is an integer number (449442).

2^2225782 is an apocalyptic number.

2225782 is a deficient number, since it is larger than the sum of its proper divisors (1369754).

2225782 is a wasteful number, since it uses less digits than its factorization.

2225782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85622.

The product of its digits is 4480, while the sum is 28.

The square root of 2225782 is about 1491.9054929854. The cubic root of 2225782 is about 130.5652311592.

The spelling of 2225782 in words is "two million, two hundred twenty-five thousand, seven hundred eighty-two".