2221002255 has 16 divisors (see below), whose sum is σ = 3556374624. Its totient is φ = 1183610880.

The previous prime is 2221002239. The next prime is 2221002263. The reversal of 2221002255 is 5522001222.

It is not a de Polignac number, because 2221002255 - 2⁴ = 2221002239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37626 + ... + 76535.

It is an arithmetic number, because the mean of its divisors is an integer number (222273414).

Almost surely, 2^2221002255 is an apocalyptic number.

2221002255 is a deficient number, since it is larger than the sum of its proper divisors (1335372369).

2221002255 is a wasteful number, since it uses less digits than its factorization.

2221002255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115466.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2221002255 is about 47127.5105962536. The cubic root of 2221002255 is about 1304.7170361669.

Adding to 2221002255 its reverse (5522001222), we get a palindrome (7743003477).

The spelling of 2221002255 in words is "two billion, two hundred twenty-one million, two thousand, two hundred fifty-five".