28226244705 has 8 divisors (see below), whose sum is σ = 45161991552. Its totient is φ = 15053997168.

The previous prime is 28226244691. The next prime is 28226244719. The reversal of 28226244705 is 50744262282.

It is an interprime number because it is at equal distance from previous prime (28226244691) and next prime (28226244719).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28226244705 - 2²⁸ = 27957809249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940874809 + ... + 940874838.

It is an arithmetic number, because the mean of its divisors is an integer number (5645248944).

Almost surely, 2^28226244705 is an apocalyptic number.

It is an amenable number.

28226244705 is a deficient number, since it is larger than the sum of its proper divisors (16935746847).

28226244705 is a wasteful number, since it uses less digits than its factorization.

28226244705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881749655.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 28226244705 in words is "twenty-eight billion, two hundred twenty-six million, two hundred forty-four thousand, seven hundred five".