75228223 has 4 divisors (see below), whose sum is σ = 85975120. Its totient is φ = 64481328.

The previous prime is 75228217. The next prime is 75228259. The reversal of 75228223 is 32282257.

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

It is a cyclic number.

It is not a de Polignac number, because 75228223 - 2²⁵ = 41673791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75228823) 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 3 ways as a sum of consecutive naturals, for example, 5373438 + ... + 5373451.

It is an arithmetic number, because the mean of its divisors is an integer number (21493780).

Almost surely, 2^75228223 is an apocalyptic number.

75228223 is a deficient number, since it is larger than the sum of its proper divisors (10746897).

75228223 is a wasteful number, since it uses less digits than its factorization.

75228223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10746896.

The product of its digits is 13440, while the sum is 31.

The square root of 75228223 is about 8673.4204902103. The cubic root of 75228223 is about 422.1436566831.

The spelling of 75228223 in words is "seventy-five million, two hundred twenty-eight thousand, two hundred twenty-three".