75222965 has 4 divisors (see below), whose sum is σ = 90267564. Its totient is φ = 60178368.

The previous prime is 75222947. The next prime is 75222967. The reversal of 75222965 is 56922257.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23483716 + 51739249 = 4846^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 75222965 - 2¹⁰ = 75221941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75222967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7522292 + ... + 7522301.

It is an arithmetic number, because the mean of its divisors is an integer number (22566891).

Almost surely, 2^75222965 is an apocalyptic number.

It is an amenable number.

75222965 is a deficient number, since it is larger than the sum of its proper divisors (15044599).

75222965 is a wasteful number, since it uses less digits than its factorization.

75222965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15044598.

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

The square root of 75222965 is about 8673.1173749696. The cubic root of 75222965 is about 422.1338213537.

The spelling of 75222965 in words is "seventy-five million, two hundred twenty-two thousand, nine hundred sixty-five".