75522222557 has 4 divisors (see below), whose sum is σ = 75838215360. Its totient is φ = 75206229756.

The previous prime is 75522222533. The next prime is 75522222569.

75522222557 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75522222557 - 2⁸ = 75522222301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75522222857) 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, 157996043 + ... + 157996520.

It is an arithmetic number, because the mean of its divisors is an integer number (18959553840).

Almost surely, 2^75522222557 is an apocalyptic number.

It is an amenable number.

75522222557 is a deficient number, since it is larger than the sum of its proper divisors (315992803).

75522222557 is a wasteful number, since it uses less digits than its factorization.

75522222557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315992802.

The product of its digits is 980000, while the sum is 44.

The spelling of 75522222557 in words is "seventy-five billion, five hundred twenty-two million, two hundred twenty-two thousand, five hundred fifty-seven".