2829221 has 8 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 2756512.

The previous prime is 2829217. The next prime is 2829223. The reversal of 2829221 is 1229282.

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

It is a cyclic number.

It is not a de Polignac number, because 2829221 - 2² = 2829217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2829223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

2^2829221 is an apocalyptic number.

It is an amenable number.

2829221 is a deficient number, since it is larger than the sum of its proper divisors (73819).

2829221 is an equidigital number, since it uses as much as digits as its factorization.

2829221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 1152, while the sum is 26.

The square root of 2829221 is about 1682.0288344734. The cubic root of 2829221 is about 141.4345862538.

The spelling of 2829221 in words is "two million, eight hundred twenty-nine thousand, two hundred twenty-one".