242551224 has 48 divisors (see below), whose sum is σ = 659458800. Its totient is φ = 80536704.

The previous prime is 242551213. The next prime is 242551237. The reversal of 242551224 is 422155242.

242551224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12532 + ... + 25340.

It is an arithmetic number, because the mean of its divisors is an integer number (13738725).

Almost surely, 2^242551224 is an apocalyptic number.

242551224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242551224 is an abundant number, since it is smaller than the sum of its proper divisors (416907576).

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

242551224 is a wasteful number, since it uses less digits than its factorization.

242551224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13084 (or 13077 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 242551224 is about 15574.0561190719. The cubic root of 242551224 is about 623.6407572241.

The spelling of 242551224 in words is "two hundred forty-two million, five hundred fifty-one thousand, two hundred twenty-four".