8538222740 has 48 divisors (see below), whose sum is σ = 18522061824. Its totient is φ = 3302726400.

The previous prime is 8538222739. The next prime is 8538222799. The reversal of 8538222740 is 472228358.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1023185 + ... + 1031495.

It is an arithmetic number, because the mean of its divisors is an integer number (385876288).

Almost surely, 2^8538222740 is an apocalyptic number.

It is an amenable number.

8538222740 is an abundant number, since it is smaller than the sum of its proper divisors (9983839084).

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

8538222740 is a wasteful number, since it uses less digits than its factorization.

8538222740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008 (or 10006 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 8538222740 is about 92402.5039704011. The cubic root of 8538222740 is about 2043.8820367021.

The spelling of 8538222740 in words is "eight billion, five hundred thirty-eight million, two hundred twenty-two thousand, seven hundred forty".