75222851 has 4 divisors (see below), whose sum is σ = 82061304. Its totient is φ = 68384400.

The previous prime is 75222827. The next prime is 75222863. The reversal of 75222851 is 15822257.

It is a happy number.

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 75222851 - 2⁶ = 75222787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75222451) 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, 3419210 + ... + 3419231.

It is an arithmetic number, because the mean of its divisors is an integer number (20515326).

Almost surely, 2^75222851 is an apocalyptic number.

75222851 is a deficient number, since it is larger than the sum of its proper divisors (6838453).

75222851 is a wasteful number, since it uses less digits than its factorization.

75222851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838452.

The product of its digits is 11200, while the sum is 32.

The square root of 75222851 is about 8673.1108029357. The cubic root of 75222851 is about 422.1336081065.

The spelling of 75222851 in words is "seventy-five million, two hundred twenty-two thousand, eight hundred fifty-one".