2226656513 has 4 divisors (see below), whose sum is σ = 2229670320. Its totient is φ = 2223642708.

The previous prime is 2226656507. The next prime is 2226656527. The reversal of 2226656513 is 3156566222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2226656513 - 2²⁴ = 2209879297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226656213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505795 + ... + 1507272.

It is an arithmetic number, because the mean of its divisors is an integer number (557417580).

Almost surely, 2^2226656513 is an apocalyptic number.

It is an amenable number.

2226656513 is a deficient number, since it is larger than the sum of its proper divisors (3013807).

2226656513 is an equidigital number, since it uses as much as digits as its factorization.

2226656513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013806.

The product of its digits is 129600, while the sum is 38.

The square root of 2226656513 is about 47187.4613960107. The cubic root of 2226656513 is about 1305.8232867693.

The spelling of 2226656513 in words is "two billion, two hundred twenty-six million, six hundred fifty-six thousand, five hundred thirteen".