2288778822 has 32 divisors (see below), whose sum is σ = 5548556160. Its totient is φ = 693569160.

The previous prime is 2288778781. The next prime is 2288778841.

2288778822 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925988 + ... + 1927175.

It is an arithmetic number, because the mean of its divisors is an integer number (173392380).

Almost surely, 2^2288778822 is an apocalyptic number.

2288778822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2288778822 is an abundant number, since it is smaller than the sum of its proper divisors (3259777338).

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

2288778822 is a wasteful number, since it uses less digits than its factorization.

2288778822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853185 (or 3853179 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The square root of 2288778822 is about 47841.1833256662. The cubic root of 2288778822 is about 1317.8559511693.

The spelling of 2288778822 in words is "two billion, two hundred eighty-eight million, seven hundred seventy-eight thousand, eight hundred twenty-two".