2228229 has 10 divisors (see below), whose sum is σ = 3328710. Its totient is φ = 1485432.

The previous prime is 2228221. The next prime is 2228243. The reversal of 2228229 is 9228222.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 859329 = 1170^2 + 927^2 .

It is not a de Polignac number, because 2228229 - 2³ = 2228221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13674 + ... + 13835.

It is an arithmetic number, because the mean of its divisors is an integer number (332871).

2^2228229 is an apocalyptic number.

It is an amenable number.

2228229 is a deficient number, since it is larger than the sum of its proper divisors (1100481).

2228229 is an equidigital number, since it uses as much as digits as its factorization.

2228229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27521 (or 27512 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2228229 is about 1492.7253598703. The cubic root of 2228229 is about 130.6130609571.

The spelling of 2228229 in words is "two million, two hundred twenty-eight thousand, two hundred twenty-nine".