522221827 has 8 divisors (see below), whose sum is σ = 560729952. Its totient is φ = 484579200.

The previous prime is 522221801. The next prime is 522221849. The reversal of 522221827 is 728122225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522221827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522221927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215124 + ... + 217537.

It is an arithmetic number, because the mean of its divisors is an integer number (70091244).

Almost surely, 2^522221827 is an apocalyptic number.

522221827 is a deficient number, since it is larger than the sum of its proper divisors (38508125).

522221827 is a wasteful number, since it uses less digits than its factorization.

522221827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432749.

The product of its digits is 8960, while the sum is 31.

The square root of 522221827 is about 22852.1733539723. The cubic root of 522221827 is about 805.2888265703.

The spelling of 522221827 in words is "five hundred twenty-two million, two hundred twenty-one thousand, eight hundred twenty-seven".