2222155 has 16 divisors (see below), whose sum is σ = 3042144. Its totient is φ = 1543680.

The previous prime is 2222147. The next prime is 2222167. The reversal of 2222155 is 5512222.

It is not a de Polignac number, because 2222155 - 2³ = 2222147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (190134).

2^2222155 is an apocalyptic number.

2222155 is a deficient number, since it is larger than the sum of its proper divisors (819989).

2222155 is a wasteful number, since it uses less digits than its factorization.

2222155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its digits is 400, while the sum is 19.

The square root of 2222155 is about 1490.6894378106. The cubic root of 2222155 is about 130.4942721952.

Adding to 2222155 its reverse (5512222), we get a palindrome (7734377).

The spelling of 2222155 in words is "two million, two hundred twenty-two thousand, one hundred fifty-five".