242522340 has 48 divisors (see below), whose sum is σ = 719010432. Its totient is φ = 60868096.

The previous prime is 242522333. The next prime is 242522347. The reversal of 242522340 is 43225242.

It is a happy number.

242522340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242522333) and next prime (242522347).

It is a self number, because there is not a number n which added to its sum of digits gives 242522340.

It is not an unprimeable number, because it can be changed into a prime (242522347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117864 + ... + 119903.

It is an arithmetic number, because the mean of its divisors is an integer number (14979384).

Almost surely, 2^242522340 is an apocalyptic number.

242522340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242522340 is an abundant number, since it is smaller than the sum of its proper divisors (476488092).

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

242522340 is a wasteful number, since it uses less digits than its factorization.

242522340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237796 (or 237794 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 242522340 is about 15573.1287800493. The cubic root of 242522340 is about 623.6160010037.

Adding to 242522340 its reverse (43225242), we get a palindrome (285747582).

The spelling of 242522340 in words is "two hundred forty-two million, five hundred twenty-two thousand, three hundred forty".