242188324 has 24 divisors (see below), whose sum is σ = 512870400. Its totient is φ = 97689216.

The previous prime is 242188301. The next prime is 242188363. The reversal of 242188324 is 423881242.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 242188324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253924 + ... + 254875.

It is an arithmetic number, because the mean of its divisors is an integer number (21369600).

Almost surely, 2^242188324 is an apocalyptic number.

It is an amenable number.

242188324 is an abundant number, since it is smaller than the sum of its proper divisors (270682076).

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

242188324 is a wasteful number, since it uses less digits than its factorization.

242188324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508827 (or 508825 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 242188324 is about 15562.4009715725. The cubic root of 242188324 is about 623.3295759510.

The spelling of 242188324 in words is "two hundred forty-two million, one hundred eighty-eight thousand, three hundred twenty-four".