2213555 has 8 divisors (see below), whose sum is σ = 2742144. Its totient is φ = 1713600.

The previous prime is 2213551. The next prime is 2213591. The reversal of 2213555 is 5553122.

2213555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2213555 - 2² = 2213551 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213555.

It is not an unprimeable number, because it can be changed into a prime (2213551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6986 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (342768).

2^2213555 is an apocalyptic number.

2213555 is a deficient number, since it is larger than the sum of its proper divisors (528589).

2213555 is a wasteful number, since it uses less digits than its factorization.

2213555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14317.

The product of its digits is 1500, while the sum is 23.

The square root of 2213555 is about 1487.8020701693. The cubic root of 2213555 is about 130.3257118549.

Adding to 2213555 its reverse (5553122), we get a palindrome (7766677).

The spelling of 2213555 in words is "two million, two hundred thirteen thousand, five hundred fifty-five".