242211330 has 64 divisors (see below), whose sum is σ = 647740800. Its totient is φ = 64405440.

The previous prime is 242211323. The next prime is 242211341. The reversal of 242211330 is 33112242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112060 + ... + 114200.

It is an arithmetic number, because the mean of its divisors is an integer number (10120950).

Almost surely, 2^242211330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242211330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323870400).

242211330 is an abundant number, since it is smaller than the sum of its proper divisors (405529470).

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

242211330 is a wasteful number, since it uses less digits than its factorization.

242211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242211330 is about 15563.1401073177. The cubic root of 242211330 is about 623.3493124738.

Adding to 242211330 its reverse (33112242), we get a palindrome (275323572).

The spelling of 242211330 in words is "two hundred forty-two million, two hundred eleven thousand, three hundred thirty".