1797226 has 4 divisors (see below), whose sum is σ = 2695842. Its totient is φ = 898612.

The previous prime is 1797209. The next prime is 1797227. The reversal of 1797226 is 6227971.

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

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 641601 = 1075^2 + 801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1797191 and 1797200.

It is not an unprimeable number, because it can be changed into a prime (1797227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449305 + ... + 449308.

2^1797226 is an apocalyptic number.

1797226 is a deficient number, since it is larger than the sum of its proper divisors (898616).

1797226 is an equidigital number, since it uses as much as digits as its factorization.

1797226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898615.

The product of its digits is 10584, while the sum is 34.

The square root of 1797226 is about 1340.6065791275. The cubic root of 1797226 is about 121.5815187893.

The spelling of 1797226 in words is "one million, seven hundred ninety-seven thousand, two hundred twenty-six".