242244222 has 64 divisors (see below), whose sum is σ = 541154304. Its totient is φ = 71677440.

The previous prime is 242244209. The next prime is 242244227. The reversal of 242244222 is 222442242.

It is a junction number, because it is equal to n+sod(n) for n = 242244192 and 242244201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242244227) 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, 659883 + ... + 660249.

It is an arithmetic number, because the mean of its divisors is an integer number (8455536).

Almost surely, 2^242244222 is an apocalyptic number.

242244222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 242244222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270577152).

242244222 is an abundant number, since it is smaller than the sum of its proper divisors (298910082).

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

242244222 is a wasteful number, since it uses less digits than its factorization.

242244222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 4096, while the sum is 24.

The square root of 242244222 is about 15564.1967990642. The cubic root of 242244222 is about 623.3775278861.

Adding to 242244222 its reverse (222442242), we get a palindrome (464686464).

It can be divided in two parts, 2 and 42244222, that added together give a palindrome (42244224).

The spelling of 242244222 in words is "two hundred forty-two million, two hundred forty-four thousand, two hundred twenty-two".