2228248805 has 4 divisors (see below), whose sum is σ = 2673898572. Its totient is φ = 1782599040.

The previous prime is 2228248753. The next prime is 2228248819. The reversal of 2228248805 is 5088428222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5088428222 = 2 ⋅2544214111.

It can be written as a sum of positive squares in 2 ways, for example, as 447999556 + 1780249249 = 21166^2 + 42193^2 .

It is not a de Polignac number, because 2228248805 - 2¹⁸ = 2227986661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222824876 + ... + 222824885.

It is an arithmetic number, because the mean of its divisors is an integer number (668474643).

Almost surely, 2^2228248805 is an apocalyptic number.

It is an amenable number.

2228248805 is a deficient number, since it is larger than the sum of its proper divisors (445649767).

2228248805 is an equidigital number, since it uses as much as digits as its factorization.

2228248805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445649766.

The product of its (nonzero) digits is 163840, while the sum is 41.

The square root of 2228248805 is about 47204.3303627962. The cubic root of 2228248805 is about 1306.1344792875.

The spelling of 2228248805 in words is "two billion, two hundred twenty-eight million, two hundred forty-eight thousand, eight hundred five".