522221640023011 has 16 divisors (see below), whose sum is σ = 542504887464960. Its totient is φ = 502153274881440.

The previous prime is 522221640022879. The next prime is 522221640023021. The reversal of 522221640023011 is 110320046122225.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 522221640023011 - 2²¹ = 522221637925859 is a prime.

It is a super-2 number, since 2×522221640023011² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (522221640023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914257860 + ... + 914828878.

It is an arithmetic number, because the mean of its divisors is an integer number (33906555466560).

Almost surely, 2^{522221640023011} is an apocalyptic number.

522221640023011 is a deficient number, since it is larger than the sum of its proper divisors (20283247441949).

522221640023011 is a wasteful number, since it uses less digits than its factorization.

522221640023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759114.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 522221640023011 its reverse (110320046122225), we get a palindrome (632541686145236).

The spelling of 522221640023011 in words is "five hundred twenty-two trillion, two hundred twenty-one billion, six hundred forty million, twenty-three thousand, eleven".