2229905 has 8 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1753456.

The previous prime is 2229893. The next prime is 2229917. The reversal of 2229905 is 5099222.

It is an interprime number because it is at equal distance from previous prime (2229893) and next prime (2229917).

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 2229905 - 2⁴ = 2229889 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 3485 + ... + 4074.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

2^2229905 is an apocalyptic number.

It is an amenable number.

2229905 is a deficient number, since it is larger than the sum of its proper divisors (491695).

2229905 is an equidigital number, since it uses as much as digits as its factorization.

2229905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2229905 is about 1493.2866436154. The cubic root of 2229905 is about 130.6458003551.

The spelling of 2229905 in words is "two million, two hundred twenty-nine thousand, nine hundred five".