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2228803 = 4395077
BaseRepresentation
bin1000100000001001000011
311012020100021
420200021003
51032310203
6115434311
724641653
oct10401103
94166307
102228803
111292595
128b5997
13600625
14420363
152e05bd
hex220243

2228803 has 4 divisors (see below), whose sum is σ = 2234320. Its totient is φ = 2223288.

The previous prime is 2228797. The next prime is 2228813. The reversal of 2228803 is 3088222.

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 2228803 - 25 = 2228771 is a prime.

It is a d-powerful number, because it can be written as 25 + 217 + 221 + 8 + 83 + 0 + 33 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228813) 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, 2100 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (558580).

22228803 is an apocalyptic number.

2228803 is a deficient number, since it is larger than the sum of its proper divisors (5517).

2228803 is an equidigital number, since it uses as much as digits as its factorization.

2228803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2228803 is about 1492.9176132661. The cubic root of 2228803 is about 130.6242754628.

It can be divided in two parts, 222 and 8803, that added together give a square (9025 = 952).

The spelling of 2228803 in words is "two million, two hundred twenty-eight thousand, eight hundred three".

Divisors: 1 439 5077 2228803