2783222764 has 12 divisors (see below), whose sum is σ = 5566445584. Its totient is φ = 1192809744.

The previous prime is 2783222737. The next prime is 2783222797. The reversal of 2783222764 is 4672223872.

It is a happy number.

2783222764 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2783222764.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49700379 + ... + 49700434.

Almost surely, 2^2783222764 is an apocalyptic number.

It is an amenable number.

2783222764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2783222764 is a wasteful number, since it uses less digits than its factorization.

2783222764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99400824 (or 99400822 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 2783222764 is about 52756.2580553246. The cubic root of 2783222764 is about 1406.6390051937.

The spelling of 2783222764 in words is "two billion, seven hundred eighty-three million, two hundred twenty-two thousand, seven hundred sixty-four".