523331222 has 16 divisors (see below), whose sum is σ = 807300432. Its totient is φ = 254323680.

The previous prime is 523331189. The next prime is 523331267. The reversal of 523331222 is 222133325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11729 + ... + 34412.

It is an arithmetic number, because the mean of its divisors is an integer number (50456277).

Almost surely, 2^523331222 is an apocalyptic number.

523331222 is a deficient number, since it is larger than the sum of its proper divisors (283969210).

523331222 is a wasteful number, since it uses less digits than its factorization.

523331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46303.

The product of its digits is 2160, while the sum is 23.

The square root of 523331222 is about 22876.4337692744. The cubic root of 523331222 is about 805.8586683949.

Adding to 523331222 its reverse (222133325), we get a palindrome (745464547).

The spelling of 523331222 in words is "five hundred twenty-three million, three hundred thirty-one thousand, two hundred twenty-two".