75522222556 has 12 divisors (see below), whose sum is σ = 144178788600. Its totient is φ = 34328282960.

The previous prime is 75522222533. The next prime is 75522222569. The reversal of 75522222556 is 65522222557.

It is a super-3 number, since 3×75522222556³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858207031 + ... + 858207118.

It is an arithmetic number, because the mean of its divisors is an integer number (12014899050).

Almost surely, 2^75522222556 is an apocalyptic number.

It is an amenable number.

75522222556 is a deficient number, since it is larger than the sum of its proper divisors (68656566044).

75522222556 is a wasteful number, since it uses less digits than its factorization.

75522222556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716414164 (or 1716414162 counting only the distinct ones).

The product of its digits is 840000, while the sum is 43.

Subtracting from 75522222556 its reverse (65522222557), we obtain a palindrome (9999999999).

The spelling of 75522222556 in words is "seventy-five billion, five hundred twenty-two million, two hundred twenty-two thousand, five hundred fifty-six".