2213455 has 4 divisors (see below), whose sum is σ = 2656152. Its totient is φ = 1770760.

The previous prime is 2213447. The next prime is 2213461. The reversal of 2213455 is 5543122.

2213455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2213455 - 2³ = 2213447 is a prime.

It is a Duffinian number.

2213455 is a lucky number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 221341 + ... + 221350.

It is an arithmetic number, because the mean of its divisors is an integer number (664038).

2^2213455 is an apocalyptic number.

2213455 is a deficient number, since it is larger than the sum of its proper divisors (442697).

2213455 is an equidigital number, since it uses as much as digits as its factorization.

2213455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442696.

The product of its digits is 1200, while the sum is 22.

The square root of 2213455 is about 1487.7684631689. The cubic root of 2213455 is about 130.3237492853.

Adding to 2213455 its reverse (5543122), we get a palindrome (7756577).

The spelling of 2213455 in words is "two million, two hundred thirteen thousand, four hundred fifty-five".