242245430 has 64 divisors (see below), whose sum is σ = 522685440. Its totient is φ = 79035264.

The previous prime is 242245403. The next prime is 242245433. The reversal of 242245430 is 34542242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242245430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242245433) 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, 609992 + ... + 610388.

It is an arithmetic number, because the mean of its divisors is an integer number (8166960).

Almost surely, 2^242245430 is an apocalyptic number.

242245430 is an abundant number, since it is smaller than the sum of its proper divisors (280440010).

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

242245430 is a wasteful number, since it uses less digits than its factorization.

242245430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 242245430 is about 15564.2356060296. The cubic root of 242245430 is about 623.3785640839.

Adding to 242245430 its reverse (34542242), we get a palindrome (276787672).

The spelling of 242245430 in words is "two hundred forty-two million, two hundred forty-five thousand, four hundred thirty".