242211530 has 32 divisors (see below), whose sum is σ = 482329728. Its totient is φ = 86833600.

The previous prime is 242211517. The next prime is 242211547. The reversal of 242211530 is 35112242.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7697 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (15072804).

Almost surely, 2^242211530 is an apocalyptic number.

242211530 is a deficient number, since it is larger than the sum of its proper divisors (240118198).

242211530 is a wasteful number, since it uses less digits than its factorization.

242211530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31102.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 242211530 is about 15563.1465327549. The cubic root of 242211530 is about 623.3494840455.

Adding to 242211530 its reverse (35112242), we get a palindrome (277323772).

The spelling of 242211530 in words is "two hundred forty-two million, two hundred eleven thousand, five hundred thirty".