2221367862 has 96 divisors (see below), whose sum is σ = 5556487680. Its totient is φ = 588409920.

The previous prime is 2221367857. The next prime is 2221367867. The reversal of 2221367862 is 2687631222.

It is an interprime number because it is at equal distance from previous prime (2221367857) and next prime (2221367867).

It is a self number, because there is not a number n which added to its sum of digits gives 2221367862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221367867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258312 + ... + 266772.

It is an arithmetic number, because the mean of its divisors is an integer number (57880080).

Almost surely, 2^2221367862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221367862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778243840).

2221367862 is an abundant number, since it is smaller than the sum of its proper divisors (3335119818).

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

2221367862 is a wasteful number, since it uses less digits than its factorization.

2221367862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546 (or 8539 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 2221367862 is about 47131.3893493498. The cubic root of 2221367862 is about 1304.7886235938.

The spelling of 2221367862 in words is "two billion, two hundred twenty-one million, three hundred sixty-seven thousand, eight hundred sixty-two".