522221044 has 12 divisors (see below), whose sum is σ = 918993600. Its totient is φ = 259651448.

The previous prime is 522221041. The next prime is 522221081. The reversal of 522221044 is 440122225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522221041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363964 + ... + 365395.

It is an arithmetic number, because the mean of its divisors is an integer number (76582800).

Almost surely, 2^522221044 is an apocalyptic number.

It is an amenable number.

522221044 is a deficient number, since it is larger than the sum of its proper divisors (396772556).

522221044 is a wasteful number, since it uses less digits than its factorization.

522221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729542 (or 729540 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 522221044 is about 22852.1562221161. The cubic root of 522221044 is about 805.2884240967.

Adding to 522221044 its reverse (440122225), we get a palindrome (962343269).

The spelling of 522221044 in words is "five hundred twenty-two million, two hundred twenty-one thousand, forty-four".