522221133 has 16 divisors (see below), whose sum is σ = 821436416. Its totient is φ = 288785520.

The previous prime is 522221107. The next prime is 522221159. The reversal of 522221133 is 331122225.

It is an interprime number because it is at equal distance from previous prime (522221107) and next prime (522221159).

It is not a de Polignac number, because 522221133 - 2⁸ = 522220877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522221033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400441 + ... + 401742.

It is an arithmetic number, because the mean of its divisors is an integer number (51339776).

Almost surely, 2^522221133 is an apocalyptic number.

It is an amenable number.

522221133 is a deficient number, since it is larger than the sum of its proper divisors (299215283).

522221133 is a wasteful number, since it uses less digits than its factorization.

522221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802224.

The product of its digits is 720, while the sum is 21.

The square root of 522221133 is about 22852.1581694159. The cubic root of 522221133 is about 805.2884698441.

Adding to 522221133 its reverse (331122225), we get a palindrome (853343358).

The spelling of 522221133 in words is "five hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-three".