242500222 has 4 divisors (see below), whose sum is σ = 363750336. Its totient is φ = 121250110.

The previous prime is 242500171. The next prime is 242500229. The reversal of 242500222 is 222005242.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 242500222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242500229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60625054 + ... + 60625057.

It is an arithmetic number, because the mean of its divisors is an integer number (90937584).

Almost surely, 2^242500222 is an apocalyptic number.

242500222 is a deficient number, since it is larger than the sum of its proper divisors (121250114).

242500222 is a wasteful number, since it uses less digits than its factorization.

242500222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121250113.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 242500222 is about 15572.4186303862. The cubic root of 242500222 is about 623.5970425330.

Adding to 242500222 its reverse (222005242), we get a palindrome (464505464).

The spelling of 242500222 in words is "two hundred forty-two million, five hundred thousand, two hundred twenty-two".