242211140 has 48 divisors (see below), whose sum is σ = 516257280. Its totient is φ = 95447040.

The previous prime is 242211133. The next prime is 242211143. The reversal of 242211140 is 41112242.

It is not an unprimeable number, because it can be changed into a prime (242211143) 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, 505421 + ... + 505899.

It is an arithmetic number, because the mean of its divisors is an integer number (10755360).

Almost surely, 2^242211140 is an apocalyptic number.

242211140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242211140 is an abundant number, since it is smaller than the sum of its proper divisors (274046140).

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

242211140 is a wasteful number, since it uses less digits than its factorization.

242211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 242211140 is about 15563.1340031499. The cubic root of 242211140 is about 623.3491494806.

Adding to 242211140 its reverse (41112242), we get a palindrome (283323382).

The spelling of 242211140 in words is "two hundred forty-two million, two hundred eleven thousand, one hundred forty".