2228578745 has 8 divisors (see below), whose sum is σ = 2681352960. Its totient is φ = 1778157360.

The previous prime is 2228578717. The next prime is 2228578757. The reversal of 2228578745 is 5478758222.

2228578745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2228578745 - 2⁸ = 2228578489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2228578693 and 2228578702.

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, 586121 + ... + 589910.

It is an arithmetic number, because the mean of its divisors is an integer number (335169120).

Almost surely, 2^2228578745 is an apocalyptic number.

It is an amenable number.

2228578745 is a deficient number, since it is larger than the sum of its proper divisors (452774215).

2228578745 is a wasteful number, since it uses less digits than its factorization.

2228578745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176415.

The product of its digits is 2508800, while the sum is 50.

The square root of 2228578745 is about 47207.8250399232. The cubic root of 2228578745 is about 1306.1989431751.

The spelling of 2228578745 in words is "two billion, two hundred twenty-eight million, five hundred seventy-eight thousand, seven hundred forty-five".