1582222 has 4 divisors (see below), whose sum is σ = 2373336. Its totient is φ = 791110.

The previous prime is 1582177. The next prime is 1582247. The reversal of 1582222 is 2222851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222851 = 643 ⋅3457.

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.

1582222 is a modest number, since divided by 2222 gives 158 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1582193 and 1582202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395554 + ... + 395557.

It is an arithmetic number, because the mean of its divisors is an integer number (593334).

2^1582222 is an apocalyptic number.

1582222 is a deficient number, since it is larger than the sum of its proper divisors (791114).

1582222 is an equidigital number, since it uses as much as digits as its factorization.

1582222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791113.

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

The square root of 1582222 is about 1257.8640626077. The cubic root of 1582222 is about 116.5259018831.

The spelling of 1582222 in words is "one million, five hundred eighty-two thousand, two hundred twenty-two".