242291500 has 48 divisors (see below), whose sum is σ = 577283616. Its totient is φ = 88104000.

The previous prime is 242291459. The next prime is 242291501. The reversal of 242291500 is 5192242.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (242291501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16527 + ... + 27526.

It is an arithmetic number, because the mean of its divisors is an integer number (12026742).

Almost surely, 2^242291500 is an apocalyptic number.

242291500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242291500 is an abundant number, since it is smaller than the sum of its proper divisors (334992116).

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

242291500 is a wasteful number, since it uses less digits than its factorization.

242291500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44083 (or 44071 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 242291500 is about 15565.7155312565. The cubic root of 242291500 is about 623.4180794218.

The spelling of 242291500 in words is "two hundred forty-two million, two hundred ninety-one thousand, five hundred".