521014233023222 has 16 divisors (see below), whose sum is σ = 794794756263120. Its totient is φ = 256082950737408.

The previous prime is 521014233023203. The next prime is 521014233023233. The reversal of 521014233023222 is 222320332410125.

It is a happy number.

It is a super-2 number, since 2×521014233023222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72331043 + ... + 79207374.

It is an arithmetic number, because the mean of its divisors is an integer number (49674672266445).

Almost surely, 2^{521014233023222} is an apocalyptic number.

521014233023222 is a deficient number, since it is larger than the sum of its proper divisors (273780523239898).

521014233023222 is a wasteful number, since it uses less digits than its factorization.

521014233023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151567615.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 521014233023222 its reverse (222320332410125), we get a palindrome (743334565433347).

The spelling of 521014233023222 in words is "five hundred twenty-one trillion, fourteen billion, two hundred thirty-three million, twenty-three thousand, two hundred twenty-two".