7722248472 has 48 divisors (see below), whose sum is σ = 21047666640. Its totient is φ = 2557683648.

The previous prime is 7722248447. The next prime is 7722248477. The reversal of 7722248472 is 2748422277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722248477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330268 + ... + 352875.

It is an arithmetic number, because the mean of its divisors is an integer number (438493055).

Almost surely, 2^7722248472 is an apocalyptic number.

7722248472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7722248472 is an abundant number, since it is smaller than the sum of its proper divisors (13325418168).

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

7722248472 is a wasteful number, since it uses less digits than its factorization.

7722248472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683312 (or 683305 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 7722248472 is about 87876.3248662574. The cubic root of 7722248472 is about 1976.5808821542.

The spelling of 7722248472 in words is "seven billion, seven hundred twenty-two million, two hundred forty-eight thousand, four hundred seventy-two".