2226195779 has 4 divisors (see below), whose sum is σ = 2231267280. Its totient is φ = 2221124280.

The previous prime is 2226195721. The next prime is 2226195799. The reversal of 2226195779 is 9775916222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9775916222 = 2 ⋅4887958111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226195779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226195799) 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, 2535092 + ... + 2535969.

It is an arithmetic number, because the mean of its divisors is an integer number (557816820).

Almost surely, 2^2226195779 is an apocalyptic number.

2226195779 is a deficient number, since it is larger than the sum of its proper divisors (5071501).

2226195779 is an equidigital number, since it uses as much as digits as its factorization.

2226195779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071500.

The product of its digits is 952560, while the sum is 50.

The square root of 2226195779 is about 47182.5791897815. The cubic root of 2226195779 is about 1305.7332146987.

The spelling of 2226195779 in words is "two billion, two hundred twenty-six million, one hundred ninety-five thousand, seven hundred seventy-nine".