2883221 has 4 divisors (see below), whose sum is σ = 3145344. Its totient is φ = 2621100.

The previous prime is 2883197. The next prime is 2883229. The reversal of 2883221 is 1223882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2883221 - 2⁶ = 2883157 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2883229) 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, 131045 + ... + 131066.

It is an arithmetic number, because the mean of its divisors is an integer number (786336).

2^2883221 is an apocalyptic number.

It is an amenable number.

2883221 is a deficient number, since it is larger than the sum of its proper divisors (262123).

2883221 is a wasteful number, since it uses less digits than its factorization.

2883221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262122.

The product of its digits is 1536, while the sum is 26.

The square root of 2883221 is about 1698.0050058819. The cubic root of 2883221 is about 142.3287529430.

The spelling of 2883221 in words is "two million, eight hundred eighty-three thousand, two hundred twenty-one".