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2228899 = 3795881
BaseRepresentation
bin1000100000001010100011
311012020110211
420200022203
51032311044
6115434551
724642151
oct10401243
94166424
102228899
111292672
128b5a57
1360069a
144203d1
152e0634
hex2202a3

2228899 has 4 divisors (see below), whose sum is σ = 2235160. Its totient is φ = 2222640.

The previous prime is 2228893. The next prime is 2228923. The reversal of 2228899 is 9988222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2228899 - 25 = 2228867 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2228893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (558790).

22228899 is an apocalyptic number.

2228899 is a deficient number, since it is larger than the sum of its proper divisors (6261).

2228899 is an equidigital number, since it uses as much as digits as its factorization.

2228899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260.

The product of its digits is 41472, while the sum is 40.

The square root of 2228899 is about 1492.9497647275. The cubic root of 2228899 is about 130.6261508716.

The spelling of 2228899 in words is "two million, two hundred twenty-eight thousand, eight hundred ninety-nine".

Divisors: 1 379 5881 2228899