7226638608 has 80 divisors (see below), whose sum is σ = 21360882816. Its totient is φ = 2062325760.

The previous prime is 7226638607. The next prime is 7226638621. The reversal of 7226638608 is 8068366227.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (7226638603) 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, 283810 + ... + 308222.

Almost surely, 2^7226638608 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 7226638608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10680441408).

7226638608 is an abundant number, since it is smaller than the sum of its proper divisors (14134244208).

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

7226638608 is a wasteful number, since it uses less digits than its factorization.

7226638608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312 (or 25306 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 7226638608 is about 85009.6383241336. The cubic root of 7226638608 is about 1933.3572543480.

The spelling of 7226638608 in words is "seven billion, two hundred twenty-six million, six hundred thirty-eight thousand, six hundred eight".