523222466364 has 144 divisors (see below), whose sum is σ = 1452531225600. Its totient is φ = 157819024512.

The previous prime is 523222466339. The next prime is 523222466383. The reversal of 523222466364 is 463664222325.

523222466364 is a `hidden beast` number, since 5 + 2 + 3 + 2 + 2 + 2 + 4 + 6 + 636 + 4 = 666.

It is a super-2 number, since 2×523222466364² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9886317 + ... + 9939099.

It is an arithmetic number, because the mean of its divisors is an integer number (10087022400).

Almost surely, 2^523222466364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523222466364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726265612800).

523222466364 is an abundant number, since it is smaller than the sum of its proper divisors (929308759236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523222466364 is a wasteful number, since it uses less digits than its factorization.

523222466364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53224 (or 53219 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

Adding to 523222466364 its reverse (463664222325), we get a palindrome (986886688689).

The spelling of 523222466364 in words is "five hundred twenty-three billion, two hundred twenty-two million, four hundred sixty-six thousand, three hundred sixty-four".