2228829 has 4 divisors (see below), whose sum is σ = 2971776. Its totient is φ = 1485884.

The previous prime is 2228813. The next prime is 2228867. The reversal of 2228829 is 9288222.

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 2228829 - 2⁴ = 2228813 is a prime.

It is a super-2 number, since 2×2228829² = 9935357422482, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2² + 2⁴ + 2¹⁷ + 8² + 8³ + 2²¹ + 9 .

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228329) 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, 371469 + ... + 371474.

It is an arithmetic number, because the mean of its divisors is an integer number (742944).

2^2228829 is an apocalyptic number.

It is an amenable number.

2228829 is a deficient number, since it is larger than the sum of its proper divisors (742947).

2228829 is an equidigital number, since it uses as much as digits as its factorization.

2228829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742946.

The product of its digits is 9216, while the sum is 33.

The square root of 2228829 is about 1492.9263210219. The cubic root of 2228829 is about 130.6247833914.

The spelling of 2228829 in words is "two million, two hundred twenty-eight thousand, eight hundred twenty-nine".