2822266 has 8 divisors (see below), whose sum is σ = 4241844. Its totient is φ = 1408320.

The previous prime is 2822263. The next prime is 2822269. The reversal of 2822266 is 6622282.

It is an interprime number because it is at equal distance from previous prime (2822263) and next prime (2822269).

It can be written as a sum of positive squares in 2 ways, for example, as 2805625 + 16641 = 1675^2 + 129^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2822263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226 + ... + 2386.

2^2822266 is an apocalyptic number.

2822266 is the 1063-rd centered pentagonal number.

2822266 is a deficient number, since it is larger than the sum of its proper divisors (1419578).

2822266 is a wasteful number, since it uses less digits than its factorization.

2822266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its digits is 4608, while the sum is 28.

The square root of 2822266 is about 1679.9601185742. The cubic root of 2822266 is about 141.3185961751.

The spelling of 2822266 in words is "two million, eight hundred twenty-two thousand, two hundred sixty-six".