242224444 has 36 divisors (see below), whose sum is σ = 537931800. Its totient is φ = 94372320.

The previous prime is 242224429. The next prime is 242224471. The reversal of 242224444 is 444422242.

It is a super-2 number, since 2×242224444² = 117345362542218272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 54019 + ... + 58330.

It is an arithmetic number, because the mean of its divisors is an integer number (14942550).

Almost surely, 2^242224444 is an apocalyptic number.

It is an amenable number.

242224444 is an abundant number, since it is smaller than the sum of its proper divisors (295707356).

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

242224444 is a wasteful number, since it uses less digits than its factorization.

242224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112378 (or 112369 counting only the distinct ones).

The product of its digits is 16384, while the sum is 28.

The square root of 242224444 is about 15563.5614176190. The cubic root of 242224444 is about 623.3605622302.

Adding to 242224444 its reverse (444422242), we get a palindrome (686646686).

The spelling of 242224444 in words is "two hundred forty-two million, two hundred twenty-four thousand, four hundred forty-four".