522885139 has 8 divisors (see below), whose sum is σ = 603168768. Its totient is φ = 443997960.

The previous prime is 522885137. The next prime is 522885169. The reversal of 522885139 is 931588225.

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

It is not a de Polignac number, because 522885139 - 2¹ = 522885137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522885095 and 522885104.

It is not an unprimeable number, because it can be changed into a prime (522885131) 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, 348307 + ... + 349804.

It is an arithmetic number, because the mean of its divisors is an integer number (75396096).

Almost surely, 2^522885139 is an apocalyptic number.

522885139 is a deficient number, since it is larger than the sum of its proper divisors (80283629).

522885139 is a wasteful number, since it uses less digits than its factorization.

522885139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698225.

The product of its digits is 172800, while the sum is 43.

The square root of 522885139 is about 22866.6818537365. The cubic root of 522885139 is about 805.6296343244.

The spelling of 522885139 in words is "five hundred twenty-two million, eight hundred eighty-five thousand, one hundred thirty-nine".