522340238 has 16 divisors (see below), whose sum is σ = 898364544. Its totient is φ = 223129080.

The previous prime is 522340223. The next prime is 522340261. The reversal of 522340238 is 832043225.

It is a self number, because there is not a number n which added to its sum of digits gives 522340238.

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, 56468 + ... + 65063.

It is an arithmetic number, because the mean of its divisors is an integer number (56147784).

Almost surely, 2^522340238 is an apocalyptic number.

522340238 is a deficient number, since it is larger than the sum of its proper divisors (376024306).

522340238 is a wasteful number, since it uses less digits than its factorization.

522340238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121847.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 522340238 is about 22854.7640110328. The cubic root of 522340238 is about 805.3496869456.

The spelling of 522340238 in words is "five hundred twenty-two million, three hundred forty thousand, two hundred thirty-eight".