7221363120 has 60 divisors (see below), whose sum is σ = 24251746896. Its totient is φ = 1925696640.

The previous prime is 7221363119. The next prime is 7221363133. The reversal of 7221363120 is 213631227.

7221363120 is a `hidden beast` number, since 7 + 2 + 2 + 1 + 3 + 631 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×7221363120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5014116 + ... + 5015555.

Almost surely, 2^7221363120 is an apocalyptic number.

It is an amenable number.

7221363120 is an abundant number, since it is smaller than the sum of its proper divisors (17030383776).

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

7221363120 is a wasteful number, since it uses less digits than its factorization.

7221363120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029690 (or 10029681 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 7221363120 is about 84978.6038953336. The cubic root of 7221363120 is about 1932.8866858292.

Adding to 7221363120 its reverse (213631227), we get a palindrome (7434994347).

The spelling of 7221363120 in words is "seven billion, two hundred twenty-one million, three hundred sixty-three thousand, one hundred twenty".