242220242 has 16 divisors (see below), whose sum is σ = 399485952. Its totient is φ = 109231920.

The previous prime is 242220239. The next prime is 242220257. The reversal of 242220242 is 242022242.

242220242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40553 + ... + 46140.

It is an arithmetic number, because the mean of its divisors is an integer number (24967872).

Almost surely, 2^242220242 is an apocalyptic number.

242220242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242220242 is a deficient number, since it is larger than the sum of its proper divisors (157265710).

242220242 is a wasteful number, since it uses less digits than its factorization.

242220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86833.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 242220242 is about 15563.4264222246. The cubic root of 242220242 is about 623.3569576171.

Adding to 242220242 its reverse (242022242), we get a palindrome (484242484).

The spelling of 242220242 in words is "two hundred forty-two million, two hundred twenty thousand, two hundred forty-two".