2222805 has 16 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 1094208.

The previous prime is 2222783. The next prime is 2222809. The reversal of 2222805 is 5082222.

It is not a de Polignac number, because 2222805 - 2⁶ = 2222741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222809) 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, 5505 + ... + 5894.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

2^2222805 is an apocalyptic number.

It is an amenable number.

2222805 is a deficient number, since it is larger than the sum of its proper divisors (1607595).

2222805 is a wasteful number, since it uses less digits than its factorization.

2222805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11420.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2222805 is about 1490.9074417951. The cubic root of 2222805 is about 130.5069945312.

The spelling of 2222805 in words is "two million, two hundred twenty-two thousand, eight hundred five".