522878960221 has 8 divisors (see below), whose sum is σ = 526371177344. Its totient is φ = 519387130800.

The previous prime is 522878960183. The next prime is 522878960231. The reversal of 522878960221 is 122069878225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 522878960221 - 2²⁷ = 522744742493 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 (522878960231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922091 + ... + 3095863.

It is an arithmetic number, because the mean of its divisors is an integer number (65796397168).

Almost surely, 2^522878960221 is an apocalyptic number.

It is an amenable number.

522878960221 is a deficient number, since it is larger than the sum of its proper divisors (3492217123).

522878960221 is a wasteful number, since it uses less digits than its factorization.

522878960221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193851.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 522878960221 in words is "five hundred twenty-two billion, eight hundred seventy-eight million, nine hundred sixty thousand, two hundred twenty-one".