2788223486 has 4 divisors (see below), whose sum is σ = 4182335232. Its totient is φ = 1394111742.

The previous prime is 2788223447. The next prime is 2788223489. The reversal of 2788223486 is 6843228872.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788223489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697055870 + ... + 697055873.

It is an arithmetic number, because the mean of its divisors is an integer number (1045583808).

Almost surely, 2^2788223486 is an apocalyptic number.

2788223486 is a deficient number, since it is larger than the sum of its proper divisors (1394111746).

2788223486 is a wasteful number, since it uses less digits than its factorization.

2788223486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394111745.

The product of its digits is 2064384, while the sum is 50.

The square root of 2788223486 is about 52803.6313713366. The cubic root of 2788223486 is about 1407.4809550408.

The spelling of 2788223486 in words is "two billion, seven hundred eighty-eight million, two hundred twenty-three thousand, four hundred eighty-six".