242444422220 has 288 divisors, whose sum is σ = 690101959680. Its totient is φ = 69474862080.

The previous prime is 242444422163. The next prime is 242444422229. The reversal of 242444422220 is 22224444242.

It is not an unprimeable number, because it can be changed into a prime (242444422229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70008209 + ... + 70011671.

It is an arithmetic number, because the mean of its divisors is an integer number (2396187360).

Almost surely, 2^242444422220 is an apocalyptic number.

242444422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242444422220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345050979840).

242444422220 is an abundant number, since it is smaller than the sum of its proper divisors (447657537460).

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

242444422220 is a wasteful number, since it uses less digits than its factorization.

242444422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 242444422220 its reverse (22224444242), we get a palindrome (264668866462).

It can be divided in two parts, 2424444222 and 20, that added together give a palindrome (2424444242).

The spelling of 242444422220 in words is "two hundred forty-two billion, four hundred forty-four million, four hundred twenty-two thousand, two hundred twenty".