7220557230 has 16 divisors (see below), whose sum is σ = 17329337424. Its totient is φ = 1925481920.

The previous prime is 7220557229. The next prime is 7220557241. The reversal of 7220557230 is 327550227.

It is a junction number, because it is equal to n+sod(n) for n = 7220557191 and 7220557200.

It is a congruent number.

It is an unprimeable number.

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, 120342591 + ... + 120342650.

It is an arithmetic number, because the mean of its divisors is an integer number (1083083589).

Almost surely, 2^7220557230 is an apocalyptic number.

7220557230 is an abundant number, since it is smaller than the sum of its proper divisors (10108780194).

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

7220557230 is a wasteful number, since it uses less digits than its factorization.

7220557230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240685251.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 7220557230 is about 84973.8620400415. The cubic root of 7220557230 is about 1932.8147810298.

The spelling of 7220557230 in words is "seven billion, two hundred twenty million, five hundred fifty-seven thousand, two hundred thirty".