242241500 has 48 divisors (see below), whose sum is σ = 560196000. Its totient is φ = 91193600.

The previous prime is 242241499. The next prime is 242241509. The reversal of 242241500 is 5142242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242241509) 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, 5750 + ... + 22749.

It is an arithmetic number, because the mean of its divisors is an integer number (11670750).

Almost surely, 2^242241500 is an apocalyptic number.

242241500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242241500 is an abundant number, since it is smaller than the sum of its proper divisors (317954500).

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

242241500 is a wasteful number, since it uses less digits than its factorization.

242241500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28535 (or 28523 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 242241500 is about 15564.1093545374. The cubic root of 242241500 is about 623.3751929972.

Adding to 242241500 its reverse (5142242), we get a palindrome (247383742).

The spelling of 242241500 in words is "two hundred forty-two million, two hundred forty-one thousand, five hundred".