2226156563 has 4 divisors (see below), whose sum is σ = 2254335840. Its totient is φ = 2197977288.

The previous prime is 2226156557. The next prime is 2226156601. The reversal of 2226156563 is 3656516222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3656516222 = 2 ⋅1828258111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226156563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226156523) 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, 14089520 + ... + 14089677.

It is an arithmetic number, because the mean of its divisors is an integer number (563583960).

Almost surely, 2^2226156563 is an apocalyptic number.

2226156563 is a deficient number, since it is larger than the sum of its proper divisors (28179277).

2226156563 is an equidigital number, since it uses as much as digits as its factorization.

2226156563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28179276.

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

The square root of 2226156563 is about 47182.1636108392. The cubic root of 2226156563 is about 1305.7255475183.

The spelling of 2226156563 in words is "two billion, two hundred twenty-six million, one hundred fifty-six thousand, five hundred sixty-three".