867222768 has 80 divisors (see below), whose sum is σ = 2448700416. Its totient is φ = 263285760.

The previous prime is 867222767. The next prime is 867222773.

It is a happy number.

867222768 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867222767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8155 + ... + 42437.

Almost surely, 2^867222768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867222768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224350208).

867222768 is an abundant number, since it is smaller than the sum of its proper divisors (1581477648).

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

867222768 is a wasteful number, since it uses less digits than its factorization.

867222768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34342 (or 34336 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 867222768 is about 29448.6462846767. The cubic root of 867222768 is about 953.6233806464.

The spelling of 867222768 in words is "eight hundred sixty-seven million, two hundred twenty-two thousand, seven hundred sixty-eight".