2221241255 has 8 divisors (see below), whose sum is σ = 2672139024. Its totient is φ = 1772560000.

The previous prime is 2221241237. The next prime is 2221241287. The reversal of 2221241255 is 5521421222.

2221241255 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 2221241255 - 2¹² = 2221237159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551921 + ... + 555930.

It is an arithmetic number, because the mean of its divisors is an integer number (334017378).

Almost surely, 2^2221241255 is an apocalyptic number.

2221241255 is a deficient number, since it is larger than the sum of its proper divisors (450897769).

2221241255 is a wasteful number, since it uses less digits than its factorization.

2221241255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108257.

The product of its digits is 3200, while the sum is 26.

The square root of 2221241255 is about 47130.0462019718. The cubic root of 2221241255 is about 1304.7638342864.

Adding to 2221241255 its reverse (5521421222), we get a palindrome (7742662477).

The spelling of 2221241255 in words is "two billion, two hundred twenty-one million, two hundred forty-one thousand, two hundred fifty-five".