522030212037242 has 4 divisors (see below), whose sum is σ = 783045318055866. Its totient is φ = 261015106018620.

The previous prime is 522030212037163. The next prime is 522030212037311. The reversal of 522030212037242 is 242730212030225.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 501669911244121 + 20360300793121 = 22397989^2 + 4512239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130507553009309 + ... + 130507553009312.

Almost surely, 2^{522030212037242} is an apocalyptic number.

522030212037242 is a deficient number, since it is larger than the sum of its proper divisors (261015106018624).

522030212037242 is a wasteful number, since it uses less digits than its factorization.

522030212037242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261015106018623.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 522030212037242 its reverse (242730212030225), we get a palindrome (764760424067467).

The spelling of 522030212037242 in words is "five hundred twenty-two trillion, thirty billion, two hundred twelve million, thirty-seven thousand, two hundred forty-two".