75222099 has 12 divisors (see below), whose sum is σ = 109652400. Its totient is φ = 49687344.

The previous prime is 75222079. The next prime is 75222139. The reversal of 75222099 is 99022257.

It is not a de Polignac number, because 75222099 - 2²⁰ = 74173523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75222019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37359 + ... + 39320.

It is an arithmetic number, because the mean of its divisors is an integer number (9137700).

Almost surely, 2^75222099 is an apocalyptic number.

75222099 is a deficient number, since it is larger than the sum of its proper divisors (34430301).

75222099 is a wasteful number, since it uses less digits than its factorization.

75222099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76794 (or 76791 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 75222099 is about 8673.0674504468. The cubic root of 75222099 is about 422.1322014172.

The spelling of 75222099 in words is "seventy-five million, two hundred twenty-two thousand, ninety-nine".