7224944250 has 64 divisors (see below), whose sum is σ = 18047981952. Its totient is φ = 1925100800.

The previous prime is 7224944197. The next prime is 7224944267. The reversal of 7224944250 is 524494227.

It is a junction number, because it is equal to n+sod(n) for n = 7224944199 and 7224944208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1161649 + ... + 1167851.

It is an arithmetic number, because the mean of its divisors is an integer number (281999718).

Almost surely, 2^7224944250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7224944250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9023990976).

7224944250 is an abundant number, since it is smaller than the sum of its proper divisors (10823037702).

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

7224944250 is a wasteful number, since it uses less digits than its factorization.

7224944250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776 (or 7766 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 7224944250 is about 84999.6720581909. The cubic root of 7224944250 is about 1933.2061441958.

The spelling of 7224944250 in words is "seven billion, two hundred twenty-four million, nine hundred forty-four thousand, two hundred fifty".