228787822 has 16 divisors (see below), whose sum is σ = 352346112. Its totient is φ = 111365080.

The previous prime is 228787799. The next prime is 228787837.

228787822 is nontrivially palindromic in base 10.

228787822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11583 + ... + 24325.

It is an arithmetic number, because the mean of its divisors is an integer number (22021632).

Almost surely, 2^228787822 is an apocalyptic number.

228787822 is a deficient number, since it is larger than the sum of its proper divisors (123558290).

228787822 is a wasteful number, since it uses less digits than its factorization.

228787822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983.

The product of its digits is 401408, while the sum is 46.

The square root of 228787822 is about 15125.7337673251. The cubic root of 228787822 is about 611.6143051578.

It can be divided in two parts, 2287 and 87822, that added together give a palindrome (90109).

The spelling of 228787822 in words is "two hundred twenty-eight million, seven hundred eighty-seven thousand, eight hundred twenty-two".