75223225091 has 6 divisors (see below), whose sum is σ = 87504568020. Its totient is φ = 64477050036.

The previous prime is 75223225073. The next prime is 75223225127. The reversal of 75223225091 is 19052232257.

It is not a de Polignac number, because 75223225091 - 2¹⁰ = 75223224067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75223225031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767583881 + ... + 767583978.

It is an arithmetic number, because the mean of its divisors is an integer number (14584094670).

Almost surely, 2^75223225091 is an apocalyptic number.

75223225091 is a deficient number, since it is larger than the sum of its proper divisors (12281342929).

75223225091 is a wasteful number, since it uses less digits than its factorization.

75223225091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535167873 (or 1535167866 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 75223225091 in words is "seventy-five billion, two hundred twenty-three million, two hundred twenty-five thousand, ninety-one".