2221455313 has 16 divisors (see below), whose sum is σ = 2808622080. Its totient is φ = 1706619600.

The previous prime is 2221455289. The next prime is 2221455347. The reversal of 2221455313 is 3135541222.

It is a de Polignac number, because none of the positive numbers 2^k-2221455313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221455373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197703 + ... + 208636.

It is an arithmetic number, because the mean of its divisors is an integer number (175538880).

Almost surely, 2^2221455313 is an apocalyptic number.

It is an amenable number.

2221455313 is a deficient number, since it is larger than the sum of its proper divisors (587166767).

2221455313 is a wasteful number, since it uses less digits than its factorization.

2221455313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406428.

The product of its digits is 7200, while the sum is 28.

The square root of 2221455313 is about 47132.3170765028. The cubic root of 2221455313 is about 1304.8057457125.

Adding to 2221455313 its reverse (3135541222), we get a palindrome (5356996535).

The spelling of 2221455313 in words is "two billion, two hundred twenty-one million, four hundred fifty-five thousand, three hundred thirteen".