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2228999 = 23199487
BaseRepresentation
bin1000100000001100000111
311012020121112
420200030013
51032311444
6115435235
724642353
oct10401407
94166545
102228999
111292753
128b5b1b
13600746
14420463
152e069e
hex220307

2228999 has 8 divisors (see below), whose sum is σ = 2342400. Its totient is φ = 2117016.

The previous prime is 2228987. The next prime is 2229037. The reversal of 2228999 is 9998222.

It is a happy number.

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 2228999 - 24 = 2228983 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228939) 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 7 ways as a sum of consecutive naturals, for example, 4334 + ... + 4820.

It is an arithmetic number, because the mean of its divisors is an integer number (292800).

22228999 is an apocalyptic number.

2228999 is a deficient number, since it is larger than the sum of its proper divisors (113401).

2228999 is a wasteful number, since it uses less digits than its factorization.

2228999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its digits is 46656, while the sum is 41.

The square root of 2228999 is about 1492.9832550970. The cubic root of 2228999 is about 130.6281043652.

The spelling of 2228999 in words is "two million, two hundred twenty-eight thousand, nine hundred ninety-nine".

Divisors: 1 23 199 487 4577 11201 96913 2228999