7221965460 has 96 divisors (see below), whose sum is σ = 20415521280. Its totient is φ = 1907463168.

The previous prime is 7221965453. The next prime is 7221965467. The reversal of 7221965460 is 645691227.

It is an interprime number because it is at equal distance from previous prime (7221965453) and next prime (7221965467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221965467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3456096 + ... + 3458184.

It is an arithmetic number, because the mean of its divisors is an integer number (212661680).

Almost surely, 2^7221965460 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 7221965460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10207760640).

7221965460 is an abundant number, since it is smaller than the sum of its proper divisors (13193555820).

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

7221965460 is a wasteful number, since it uses less digits than its factorization.

7221965460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 7221965460 is about 84982.1478900128. The cubic root of 7221965460 is about 1932.9404255723.

The spelling of 7221965460 in words is "seven billion, two hundred twenty-one million, nine hundred sixty-five thousand, four hundred sixty".