2221848718 has 4 divisors (see below), whose sum is σ = 3332773080. Its totient is φ = 1110924358.

The previous prime is 2221848703. The next prime is 2221848721. The reversal of 2221848718 is 8178481222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8178481222 = 2 ⋅4089240611.

It is a super-2 number, since 2×2221848718² = 9873223451356487048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555462178 + ... + 555462181.

It is an arithmetic number, because the mean of its divisors is an integer number (833193270).

Almost surely, 2^2221848718 is an apocalyptic number.

2221848718 is a deficient number, since it is larger than the sum of its proper divisors (1110924362).

2221848718 is a wasteful number, since it uses less digits than its factorization.

2221848718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110924361.

The product of its digits is 114688, while the sum is 43.

The square root of 2221848718 is about 47136.4903021003. The cubic root of 2221848718 is about 1304.8827653135.

The spelling of 2221848718 in words is "two billion, two hundred twenty-one million, eight hundred forty-eight thousand, seven hundred eighteen".