522150224202421 has 8 divisors (see below), whose sum is σ = 525817383235200. Its totient is φ = 518493498055632.

The previous prime is 522150224202391. The next prime is 522150224202479. The reversal of 522150224202421 is 124202422051225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 522150224202421 - 2¹⁷ = 522150224071349 is a prime.

It is a super-2 number, since 2×522150224202421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522150224202491) by changing a digit.

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, 2608121050 + ... + 2608321243.

It is an arithmetic number, because the mean of its divisors is an integer number (65727172904400).

Almost surely, 2^{522150224202421} is an apocalyptic number.

It is an amenable number.

522150224202421 is a deficient number, since it is larger than the sum of its proper divisors (3667159032779).

522150224202421 is a wasteful number, since it uses less digits than its factorization.

522150224202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216442995.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 522150224202421 its reverse (124202422051225), we get a palindrome (646352646253646).

The spelling of 522150224202421 in words is "five hundred twenty-two trillion, one hundred fifty billion, two hundred twenty-four million, two hundred two thousand, four hundred twenty-one".