325555555522 has 4 divisors (see below), whose sum is σ = 488333333286. Its totient is φ = 162777777760.

The previous prime is 325555555477. The next prime is 325555555541. The reversal of 325555555522 is 225555555523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225555555523 = 167 ⋅1350632069.

It can be written as a sum of positive squares in only one way, i.e., 308001690441 + 17553865081 = 554979^2 + 132491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81388888879 + ... + 81388888882.

Almost surely, 2^325555555522 is an apocalyptic number.

325555555522 is a deficient number, since it is larger than the sum of its proper divisors (162777777764).

325555555522 is a wasteful number, since it uses less digits than its factorization.

325555555522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162777777763.

The product of its digits is 9375000, while the sum is 49.

Subtracting from 325555555522 its reverse (225555555523), we obtain a palindrome (99999999999).

The spelling of 325555555522 in words is "three hundred twenty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred twenty-two".