75223225129 has 6 divisors (see below), whose sum is σ = 81454735086. Its totient is φ = 69436823040.

The previous prime is 75223225127. The next prime is 75223225139. The reversal of 75223225129 is 92152232257.

It can be written as a sum of positive squares in 3 ways, for example, as 2603754729 + 72619470400 = 51027^2 + 269480^2 .

It is not a de Polignac number, because 75223225129 - 2¹ = 75223225127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75223225091 and 75223225100.

It is not an unprimeable number, because it can be changed into a prime (75223225127) 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 in 5 ways as a sum of consecutive naturals, for example, 222553752 + ... + 222554089.

It is an arithmetic number, because the mean of its divisors is an integer number (13575789181).

Almost surely, 2^75223225129 is an apocalyptic number.

It is an amenable number.

75223225129 is a deficient number, since it is larger than the sum of its proper divisors (6231509957).

75223225129 is a wasteful number, since it uses less digits than its factorization.

75223225129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445107867 (or 445107854 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The spelling of 75223225129 in words is "seventy-five billion, two hundred twenty-three million, two hundred twenty-five thousand, one hundred twenty-nine".