2278224856 has 16 divisors (see below), whose sum is σ = 4274088840. Its totient is φ = 1138467840.

The previous prime is 2278224841. The next prime is 2278224857. The reversal of 2278224856 is 6584228722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278224857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65385 + ... + 93976.

Almost surely, 2^2278224856 is an apocalyptic number.

It is an amenable number.

2278224856 is a deficient number, since it is larger than the sum of its proper divisors (1995863984).

2278224856 is a wasteful number, since it uses less digits than its factorization.

2278224856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161154 (or 161150 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 2278224856 is about 47730.7537757367. The cubic root of 2278224856 is about 1315.8272069826.

The spelling of 2278224856 in words is "two billion, two hundred seventy-eight million, two hundred twenty-four thousand, eight hundred fifty-six".