7220503472 has 80 divisors (see below), whose sum is σ = 17460882432. Its totient is φ = 2816190720.

The previous prime is 7220503441. The next prime is 7220503489. The reversal of 7220503472 is 2743050227.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68453 + ... + 138299.

Almost surely, 2^7220503472 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 7220503472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8730441216).

7220503472 is an abundant number, since it is smaller than the sum of its proper divisors (10240378960).

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

7220503472 is a wasteful number, since it uses less digits than its factorization.

7220503472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69946 (or 69940 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 7220503472 is about 84973.5457186529. The cubic root of 7220503472 is about 1932.8099843310.

Adding to 7220503472 its reverse (2743050227), we get a palindrome (9963553699).

The spelling of 7220503472 in words is "seven billion, two hundred twenty million, five hundred three thousand, four hundred seventy-two".