7242228916 has 24 divisors (see below), whose sum is σ = 13691903400. Its totient is φ = 3332015232.

The previous prime is 7242228911. The next prime is 7242228941. The reversal of 7242228916 is 6198222427.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1312612900 + 5929616016 = 36230^2 + 77004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242228911) 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, 203191 + ... + 236158.

It is an arithmetic number, because the mean of its divisors is an integer number (570495975).

Almost surely, 2^7242228916 is an apocalyptic number.

It is an amenable number.

7242228916 is a deficient number, since it is larger than the sum of its proper divisors (6449674484).

7242228916 is a wasteful number, since it uses less digits than its factorization.

7242228916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439683 (or 439681 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 7242228916 is about 85101.2862182470. The cubic root of 7242228916 is about 1934.7465579788.

The spelling of 7242228916 in words is "seven billion, two hundred forty-two million, two hundred twenty-eight thousand, nine hundred sixteen".