7228791808 has 176 divisors, whose sum is σ = 17403102720. Its totient is φ = 2934226944.

The previous prime is 7228791803. The next prime is 7228791809. The reversal of 7228791808 is 8081978227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228791803) 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, 26872698 + ... + 26872966.

Almost surely, 2^7228791808 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 7228791808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8701551360).

7228791808 is an abundant number, since it is smaller than the sum of its proper divisors (10174310912).

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

7228791808 is a wasteful number, since it uses less digits than its factorization.

7228791808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 7228791808 is about 85022.3018272265. The cubic root of 7228791808 is about 1933.5492519319.

The spelling of 7228791808 in words is "seven billion, two hundred twenty-eight million, seven hundred ninety-one thousand, eight hundred eight".