2226405 has 16 divisors (see below), whose sum is σ = 3772224. Its totient is φ = 1117440.

The previous prime is 2226403. The next prime is 2226407. The reversal of 2226405 is 5046222.

It is an interprime number because it is at equal distance from previous prime (2226403) and next prime (2226407).

It is not a de Polignac number, because 2226405 - 2¹ = 2226403 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111 + ... + 4620.

It is an arithmetic number, because the mean of its divisors is an integer number (235764).

2^2226405 is an apocalyptic number.

It is an amenable number.

2226405 is a deficient number, since it is larger than the sum of its proper divisors (1545819).

2226405 is a wasteful number, since it uses less digits than its factorization.

2226405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2226405 is about 1492.1142717634. The cubic root of 2226405 is about 130.5774118297.

The spelling of 2226405 in words is "two million, two hundred twenty-six thousand, four hundred five".