22878087822 has 128 divisors (see below), whose sum is σ = 54435870720. Its totient is φ = 7110996480.

The previous prime is 22878087719. The next prime is 22878087847.

22878087822 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22878087822² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4471938 + ... + 4477050.

It is an arithmetic number, because the mean of its divisors is an integer number (425280240).

Almost surely, 2^22878087822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22878087822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27217935360).

22878087822 is an abundant number, since it is smaller than the sum of its proper divisors (31557782898).

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

22878087822 is a wasteful number, since it uses less digits than its factorization.

22878087822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5249 counting only the distinct ones).

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

The spelling of 22878087822 in words is "twenty-two billion, eight hundred seventy-eight million, eighty-seven thousand, eight hundred twenty-two".