2229999 has 4 divisors (see below), whose sum is σ = 2973336. Its totient is φ = 1486664.

The previous prime is 2229991. The next prime is 2230001. The reversal of 2229999 is 9999222.

2229999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2229999 - 2³ = 2229991 is a prime.

It is a D-number.

2229999 is a modest number, since divided by 9999 gives 222 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2229999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371664 + ... + 371669.

It is an arithmetic number, because the mean of its divisors is an integer number (743334).

2^2229999 is an apocalyptic number.

2229999 is a deficient number, since it is larger than the sum of its proper divisors (743337).

2229999 is an equidigital number, since it uses as much as digits as its factorization.

2229999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743336.

The product of its digits is 52488, while the sum is 42.

The square root of 2229999 is about 1493.3181174820. The cubic root of 2229999 is about 130.6476360884.

The spelling of 2229999 in words is "two million, two hundred twenty-nine thousand, nine hundred ninety-nine".