522213010631 has 4 divisors (see below), whose sum is σ = 562383242232. Its totient is φ = 482042779032.

The previous prime is 522213010601. The next prime is 522213010637. The reversal of 522213010631 is 136010312225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522213010631 - 2¹⁰ = 522213009607 is a prime.

It is a super-2 number, since 2×522213010631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522213010631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522213010637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20085115781 + ... + 20085115806.

It is an arithmetic number, because the mean of its divisors is an integer number (140595810558).

Almost surely, 2^522213010631 is an apocalyptic number.

522213010631 is a deficient number, since it is larger than the sum of its proper divisors (40170231601).

522213010631 is a wasteful number, since it uses less digits than its factorization.

522213010631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40170231600.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 522213010631 its reverse (136010312225), we get a palindrome (658223322856).

The spelling of 522213010631 in words is "five hundred twenty-two billion, two hundred thirteen million, ten thousand, six hundred thirty-one".