2821226 has 8 divisors (see below), whose sum is σ = 4415904. Its totient is φ = 1349260.

The previous prime is 2821183. The next prime is 2821229. The reversal of 2821226 is 6221282.

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

It is a super-2 number, since 2×2821226² = 15918632286152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (2821229) 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, 30620 + ... + 30711.

It is an arithmetic number, because the mean of its divisors is an integer number (551988).

2^2821226 is an apocalyptic number.

2821226 is a deficient number, since it is larger than the sum of its proper divisors (1594678).

2821226 is a wasteful number, since it uses less digits than its factorization.

2821226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61356.

The product of its digits is 768, while the sum is 23.

The square root of 2821226 is about 1679.6505588961. The cubic root of 2821226 is about 141.3012354920.

The spelling of 2821226 in words is "two million, eight hundred twenty-one thousand, two hundred twenty-six".