538016722 has 8 divisors (see below), whose sum is σ = 810549900. Its totient is φ = 267833424.

The previous prime is 538016681. The next prime is 538016723. The reversal of 538016722 is 227610835.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 536895241 + 1121481 = 23171^2 + 1059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (538016723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586897 + ... + 587812.

Almost surely, 2^538016722 is an apocalyptic number.

538016722 is a deficient number, since it is larger than the sum of its proper divisors (272533178).

538016722 is a wasteful number, since it uses less digits than its factorization.

538016722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174940.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 538016722 is about 23195.1874749914. The cubic root of 538016722 is about 813.3271277782.

The spelling of 538016722 in words is "five hundred thirty-eight million, sixteen thousand, seven hundred twenty-two".