7222316652 has 72 divisors (see below), whose sum is σ = 19368275472. Its totient is φ = 2261376000.

The previous prime is 7222316627. The next prime is 7222316659. The reversal of 7222316652 is 2566132227.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7222316659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307527 + ... + 330177.

It is an arithmetic number, because the mean of its divisors is an integer number (269003826).

Almost surely, 2^7222316652 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 7222316652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9684137736).

7222316652 is an abundant number, since it is smaller than the sum of its proper divisors (12145958820).

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

7222316652 is a wasteful number, since it uses less digits than its factorization.

7222316652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23199 (or 23194 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 7222316652 is about 84984.2141341555. The cubic root of 7222316652 is about 1932.9717569421.

Adding to 7222316652 its reverse (2566132227), we get a palindrome (9788448879).

The spelling of 7222316652 in words is "seven billion, two hundred twenty-two million, three hundred sixteen thousand, six hundred fifty-two".