242151207522 has 24 divisors (see below), whose sum is σ = 563372197776. Its totient is φ = 69186059208.

The previous prime is 242151207521. The next prime is 242151207523. The reversal of 242151207522 is 225702151242.

It is an interprime number because it is at equal distance from previous prime (242151207521) and next prime (242151207523).

It is not an unprimeable number, because it can be changed into a prime (242151207521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411821488 + ... + 411822075.

It is an arithmetic number, because the mean of its divisors is an integer number (23473841574).

Almost surely, 2^242151207522 is an apocalyptic number.

242151207522 is an abundant number, since it is smaller than the sum of its proper divisors (321220990254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242151207522 is a wasteful number, since it uses less digits than its factorization.

242151207522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823643582 (or 823643575 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

Adding to 242151207522 its reverse (225702151242), we get a palindrome (467853358764).

The spelling of 242151207522 in words is "two hundred forty-two billion, one hundred fifty-one million, two hundred seven thousand, five hundred twenty-two".