2228863979 has 4 divisors (see below), whose sum is σ = 2289103584. Its totient is φ = 2168624376.

The previous prime is 2228863969. The next prime is 2228863981. The reversal of 2228863979 is 9793688222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9793688222 = 2 ⋅4896844111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228863979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228863919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30119747 + ... + 30119820.

It is an arithmetic number, because the mean of its divisors is an integer number (572275896).

Almost surely, 2^2228863979 is an apocalyptic number.

2228863979 is a deficient number, since it is larger than the sum of its proper divisors (60239605).

2228863979 is an equidigital number, since it uses as much as digits as its factorization.

2228863979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60239604.

The product of its digits is 5225472, while the sum is 56.

The square root of 2228863979 is about 47210.8459890310. The cubic root of 2228863979 is about 1306.2546672483.

The spelling of 2228863979 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-three thousand, nine hundred seventy-nine".