7220215296 has 120 divisors (see below), whose sum is σ = 23814998064. Its totient is φ = 2062909440.

The previous prime is 7220215291. The next prime is 7220215313. The reversal of 7220215296 is 6925120227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7220215296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220215291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79665 + ... + 144176.

Almost surely, 2^7220215296 is an apocalyptic number.

It is an amenable number.

7220215296 is an abundant number, since it is smaller than the sum of its proper divisors (16594782768).

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

7220215296 is a wasteful number, since it uses less digits than its factorization.

7220215296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223872 (or 223853 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7220215296 is about 84971.8500210511. The cubic root of 7220215296 is about 1932.7842706642.

The spelling of 7220215296 in words is "seven billion, two hundred twenty million, two hundred fifteen thousand, two hundred ninety-six".