522366642 has 96 divisors (see below), whose sum is σ = 1320883200. Its totient is φ = 146124000.

The previous prime is 522366641. The next prime is 522366643. The reversal of 522366642 is 246663225.

It is an interprime number because it is at equal distance from previous prime (522366641) and next prime (522366643).

It is a junction number, because it is equal to n+sod(n) for n = 522366597 and 522366606.

It is not an unprimeable number, because it can be changed into a prime (522366641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2081017 + ... + 2081267.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2^522366642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522366642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660441600).

522366642 is an abundant number, since it is smaller than the sum of its proper divisors (798516558).

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

522366642 is a wasteful number, since it uses less digits than its factorization.

522366642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 545 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 522366642 is about 22855.3416513514. The cubic root of 522366642 is about 805.3632567055.

The spelling of 522366642 in words is "five hundred twenty-two million, three hundred sixty-six thousand, six hundred forty-two".