2226905 has 8 divisors (see below), whose sum is σ = 2684232. Its totient is φ = 1773568.

The previous prime is 2226899. The next prime is 2226911. The reversal of 2226905 is 5096222.

It is an interprime number because it is at equal distance from previous prime (2226899) and next prime (2226911).

It can be written as a sum of positive squares in 4 ways, for example, as 760384 + 1466521 = 872^2 + 1211^2 .

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 2226905 - 2¹² = 2222809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (335529).

2^2226905 is an apocalyptic number.

It is an amenable number.

2226905 is a deficient number, since it is larger than the sum of its proper divisors (457327).

2226905 is a wasteful number, since it uses less digits than its factorization.

2226905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2226905 is about 1492.2818098469. The cubic root of 2226905 is about 130.5871860051.

The spelling of 2226905 in words is "two million, two hundred twenty-six thousand, nine hundred five".