7220870384 has 40 divisors (see below), whose sum is σ = 17219002080. Its totient is φ = 2856607488.

The previous prime is 7220870381. The next prime is 7220870413. The reversal of 7220870384 is 4830780227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220870381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478239 + ... + 2481150.

It is an arithmetic number, because the mean of its divisors is an integer number (430475052).

Almost surely, 2^7220870384 is an apocalyptic number.

It is an amenable number.

7220870384 is an abundant number, since it is smaller than the sum of its proper divisors (9998131696).

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

7220870384 is a wasteful number, since it uses less digits than its factorization.

7220870384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959417 (or 4959411 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 7220870384 is about 84975.7046690406. The cubic root of 7220870384 is about 1932.8427225450.

The spelling of 7220870384 in words is "seven billion, two hundred twenty million, eight hundred seventy thousand, three hundred eighty-four".