2213155 has 16 divisors (see below), whose sum is σ = 3119040. Its totient is φ = 1475712.

The previous prime is 2213147. The next prime is 2213171. The reversal of 2213155 is 5513122.

It is not a de Polignac number, because 2213155 - 2³ = 2213147 is a prime.

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, 441 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2^2213155 is an apocalyptic number.

2213155 is a deficient number, since it is larger than the sum of its proper divisors (905885).

2213155 is a wasteful number, since it uses less digits than its factorization.

2213155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its digits is 300, while the sum is 19.

The square root of 2213155 is about 1487.6676376126. The cubic root of 2213155 is about 130.3178612217.

Adding to 2213155 its reverse (5513122), we get a palindrome (7726277).

The spelling of 2213155 in words is "two million, two hundred thirteen thousand, one hundred fifty-five".