2223155 has 16 divisors (see below), whose sum is σ = 2951424. Its totient is φ = 1594080.

The previous prime is 2223149. The next prime is 2223161. The reversal of 2223155 is 5513222.

2223155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2223149) and next prime (2223161).

It is not a de Polignac number, because 2223155 - 2¹² = 2219059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4322 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

2^2223155 is an apocalyptic number.

2223155 is a deficient number, since it is larger than the sum of its proper divisors (728269).

2223155 is a wasteful number, since it uses less digits than its factorization.

2223155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its digits is 600, while the sum is 20.

The square root of 2223155 is about 1491.0248153535. The cubic root of 2223155 is about 130.5138439926.

Adding to 2223155 its reverse (5513222), we get a palindrome (7736377).

The spelling of 2223155 in words is "two million, two hundred twenty-three thousand, one hundred fifty-five".