2221255 has 8 divisors (see below), whose sum is σ = 2757600. Its totient is φ = 1715616.

The previous prime is 2221253. The next prime is 2221259. The reversal of 2221255 is 5521222.

2221255 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 a cyclic number.

It is not a de Polignac number, because 2221255 - 2¹ = 2221253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221253) 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, 7515 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (344700).

2^2221255 is an apocalyptic number.

2221255 is a deficient number, since it is larger than the sum of its proper divisors (536345).

2221255 is a wasteful number, since it uses less digits than its factorization.

2221255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353.

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

The square root of 2221255 is about 1490.3875334959. The cubic root of 2221255 is about 130.4766525566.

Adding to 2221255 its reverse (5521222), we get a palindrome (7742477).

The spelling of 2221255 in words is "two million, two hundred twenty-one thousand, two hundred fifty-five".