1772266 has 8 divisors (see below), whose sum is σ = 2723364. Its totient is φ = 864480.

The previous prime is 1772249. The next prime is 1772273. The reversal of 1772266 is 6622771.

It can be written as a sum of positive squares in 2 ways, for example, as 1755625 + 16641 = 1325^2 + 129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 10725 + ... + 10888.

2^1772266 is an apocalyptic number.

1772266 is a deficient number, since it is larger than the sum of its proper divisors (951098).

1772266 is a wasteful number, since it uses less digits than its factorization.

1772266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21656.

The product of its digits is 7056, while the sum is 31.

The square root of 1772266 is about 1331.2648121242. The cubic root of 1772266 is about 121.0160486875.

The spelling of 1772266 in words is "one million, seven hundred seventy-two thousand, two hundred sixty-six".