2228418857 has 8 divisors (see below), whose sum is σ = 2680804800. Its totient is φ = 1809543024.

The previous prime is 2228418833. The next prime is 2228418919. The reversal of 2228418857 is 7588148222.

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

It is a cyclic number.

It is not a de Polignac number, because 2228418857 - 2¹² = 2228414761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228418557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8377382 + ... + 8377647.

It is an arithmetic number, because the mean of its divisors is an integer number (335100600).

Almost surely, 2^2228418857 is an apocalyptic number.

It is an amenable number.

2228418857 is a deficient number, since it is larger than the sum of its proper divisors (452385943).

2228418857 is a wasteful number, since it uses less digits than its factorization.

2228418857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755055.

The product of its digits is 573440, while the sum is 47.

The square root of 2228418857 is about 47206.1315614826. The cubic root of 2228418857 is about 1306.1677049503.

The spelling of 2228418857 in words is "two billion, two hundred twenty-eight million, four hundred eighteen thousand, eight hundred fifty-seven".