1673222 has 4 divisors (see below), whose sum is σ = 2509836. Its totient is φ = 836610.

The previous prime is 1673209. The next prime is 1673237. The reversal of 1673222 is 2223761.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1673222² = 5599343722568, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418304 + ... + 418307.

It is an arithmetic number, because the mean of its divisors is an integer number (627459).

2^1673222 is an apocalyptic number.

1673222 is a deficient number, since it is larger than the sum of its proper divisors (836614).

1673222 is an equidigital number, since it uses as much as digits as its factorization.

1673222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836613.

The product of its digits is 1008, while the sum is 23.

The square root of 1673222 is about 1293.5308268457. The cubic root of 1673222 is about 118.7183509378.

Adding to 1673222 its reverse (2223761), we get a palindrome (3896983).

The spelling of 1673222 in words is "one million, six hundred seventy-three thousand, two hundred twenty-two".