1852222 has 4 divisors (see below), whose sum is σ = 2778336. Its totient is φ = 926110.

The previous prime is 1852217. The next prime is 1852241. The reversal of 1852222 is 2222581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222581 = 1151 ⋅1931.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1852193 and 1852202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463054 + ... + 463057.

It is an arithmetic number, because the mean of its divisors is an integer number (694584).

2^1852222 is an apocalyptic number.

1852222 is a deficient number, since it is larger than the sum of its proper divisors (926114).

1852222 is an equidigital number, since it uses as much as digits as its factorization.

1852222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926113.

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

The square root of 1852222 is about 1360.9636291981. The cubic root of 1852222 is about 122.8092312342.

The spelling of 1852222 in words is "one million, eight hundred fifty-two thousand, two hundred twenty-two".