75230522 has 4 divisors (see below), whose sum is σ = 112845786. Its totient is φ = 37615260.

The previous prime is 75230513. The next prime is 75230527. The reversal of 75230522 is 22503257.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75151561 + 78961 = 8669^2 + 281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75230491 and 75230500.

It is not an unprimeable number, because it can be changed into a prime (75230527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18807629 + ... + 18807632.

Almost surely, 2^75230522 is an apocalyptic number.

75230522 is a deficient number, since it is larger than the sum of its proper divisors (37615264).

75230522 is a wasteful number, since it uses less digits than its factorization.

75230522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37615263.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 75230522 is about 8673.5530205332. The cubic root of 75230522 is about 422.1479569238.

Adding to 75230522 its reverse (22503257), we get a palindrome (97733779).

The spelling of 75230522 in words is "seventy-five million, two hundred thirty thousand, five hundred twenty-two".