242221125 has 32 divisors (see below), whose sum is σ = 407272320. Its totient is φ = 127833600.

The previous prime is 242221123. The next prime is 242221163. The reversal of 242221125 is 521122242.

It is not a de Polignac number, because 242221125 - 2¹ = 242221123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242221123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33046 + ... + 39704.

It is an arithmetic number, because the mean of its divisors is an integer number (12727260).

Almost surely, 2^242221125 is an apocalyptic number.

242221125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242221125 is a deficient number, since it is larger than the sum of its proper divisors (165051195).

242221125 is an equidigital number, since it uses as much as digits as its factorization.

242221125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774 (or 6764 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 242221125 is about 15563.4547899880. The cubic root of 242221125 is about 623.3577150868.

Adding to 242221125 its reverse (521122242), we get a palindrome (763343367).

The spelling of 242221125 in words is "two hundred forty-two million, two hundred twenty-one thousand, one hundred twenty-five".