242623242 has 16 divisors (see below), whose sum is σ = 539162880. Its totient is φ = 80874396.

The previous prime is 242623237. The next prime is 242623273. The reversal of 242623242 is 242326242.

It is a happy number.

242623242 is a `hidden beast` number, since 2 + 426 + 232 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246458 + ... + 2246565.

It is an arithmetic number, because the mean of its divisors is an integer number (33697680).

Almost surely, 2^242623242 is an apocalyptic number.

242623242 is an abundant number, since it is smaller than the sum of its proper divisors (296539638).

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

242623242 is a wasteful number, since it uses less digits than its factorization.

242623242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493034 (or 4493028 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 242623242 is about 15576.3680619071. The cubic root of 242623242 is about 623.7024746555.

Adding to 242623242 its reverse (242326242), we get a palindrome (484949484).

The spelling of 242623242 in words is "two hundred forty-two million, six hundred twenty-three thousand, two hundred forty-two".