242243444 has 12 divisors (see below), whose sum is σ = 430876068. Its totient is φ = 119136000.

The previous prime is 242243437. The next prime is 242243447. The reversal of 242243444 is 444342242.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 232867600 = 3062^2 + 15260^2 .

It is a super-2 number, since 2×242243444² = 117363772321962272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242243447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496157 + ... + 496644.

It is an arithmetic number, because the mean of its divisors is an integer number (35906339).

Almost surely, 2^242243444 is an apocalyptic number.

It is an amenable number.

242243444 is a deficient number, since it is larger than the sum of its proper divisors (188632624).

242243444 is a wasteful number, since it uses less digits than its factorization.

242243444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992866 (or 992864 counting only the distinct ones).

The product of its digits is 24576, while the sum is 29.

The square root of 242243444 is about 15564.1718057852. The cubic root of 242243444 is about 623.3768605317.

Adding to 242243444 its reverse (444342242), we get a palindrome (686585686).

The spelling of 242243444 in words is "two hundred forty-two million, two hundred forty-three thousand, four hundred forty-four".