1825222 has 16 divisors (see below), whose sum is σ = 3313440. Its totient is φ = 736128.

The previous prime is 1825217. The next prime is 1825261. The reversal of 1825222 is 2225281.

It is a junction number, because it is equal to n+sod(n) for n = 1825193 and 1825202.

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 7 ways as a sum of consecutive naturals, for example, 3597 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (207090).

2^1825222 is an apocalyptic number.

1825222 is a deficient number, since it is larger than the sum of its proper divisors (1488218).

1825222 is a wasteful number, since it uses less digits than its factorization.

1825222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695.

The product of its digits is 640, while the sum is 22.

The square root of 1825222 is about 1351.0077719984. The cubic root of 1825222 is about 122.2095743876.

The spelling of 1825222 in words is "one million, eight hundred twenty-five thousand, two hundred twenty-two".