8013222 has 128 divisors (see below), whose sum is σ = 22809600. Its totient is φ = 2032128.

The previous prime is 8013157. The next prime is 8013233. The reversal of 8013222 is 2223108.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 8013195 and 8013204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186333 + ... + 186375.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

Almost surely, 2^8013222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8013222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11404800).

8013222 is an abundant number, since it is smaller than the sum of its proper divisors (14796378).

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

8013222 is a wasteful number, since it uses less digits than its factorization.

8013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8013222 is about 2830.7635012484. The cubic root of 8013222 is about 200.1101226872.

The spelling of 8013222 in words is "eight million, thirteen thousand, two hundred twenty-two".