522246642 has 64 divisors (see below), whose sum is σ = 1093962240. Its totient is φ = 166104576.

The previous prime is 522246629. The next prime is 522246661. The reversal of 522246642 is 246642225.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2300533 + ... + 2300759.

It is an arithmetic number, because the mean of its divisors is an integer number (17093160).

Almost surely, 2^522246642 is an apocalyptic number.

522246642 is an abundant number, since it is smaller than the sum of its proper divisors (571715598).

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

522246642 is a wasteful number, since it uses less digits than its factorization.

522246642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its digits is 46080, while the sum is 33.

The square root of 522246642 is about 22852.7162936925. The cubic root of 522246642 is about 805.3015816389.

Adding to 522246642 its reverse (246642225), we get a palindrome (768888867).

The spelling of 522246642 in words is "five hundred twenty-two million, two hundred forty-six thousand, six hundred forty-two".