522223459894 has 4 divisors (see below), whose sum is σ = 783335189844. Its totient is φ = 261111729946.

The previous prime is 522223459861. The next prime is 522223459903. The reversal of 522223459894 is 498954322225.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130555864972 + ... + 130555864975.

It is an arithmetic number, because the mean of its divisors is an integer number (195833797461).

Almost surely, 2^522223459894 is an apocalyptic number.

522223459894 is a deficient number, since it is larger than the sum of its proper divisors (261111729950).

522223459894 is a wasteful number, since it uses less digits than its factorization.

522223459894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261111729949.

The product of its digits is 12441600, while the sum is 55.

The spelling of 522223459894 in words is "five hundred twenty-two billion, two hundred twenty-three million, four hundred fifty-nine thousand, eight hundred ninety-four".