1799222 has 4 divisors (see below), whose sum is σ = 2698836. Its totient is φ = 899610.

The previous prime is 1799219. The next prime is 1799227. The reversal of 1799222 is 2229971.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449804 + ... + 449807.

It is an arithmetic number, because the mean of its divisors is an integer number (674709).

2^1799222 is an apocalyptic number.

1799222 is a deficient number, since it is larger than the sum of its proper divisors (899614).

1799222 is an equidigital number, since it uses as much as digits as its factorization.

1799222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899613.

The product of its digits is 4536, while the sum is 32.

The square root of 1799222 is about 1341.3508116820. The cubic root of 1799222 is about 121.6265116334.

The spelling of 1799222 in words is "one million, seven hundred ninety-nine thousand, two hundred twenty-two".