4222444024420 has 96 divisors (see below), whose sum is σ = 9619007652576. Its totient is φ = 1550647296000.

The previous prime is 4222444024363. The next prime is 4222444024451. The reversal of 4222444024420 is 244204442224.

It can be written as a sum of positive squares in 16 ways, for example, as 192371714404 + 4030072310016 = 438602^2 + 2007504^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138004644 + ... + 138035236.

It is an arithmetic number, because the mean of its divisors is an integer number (100197996381).

Almost surely, 2^{4222444024420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222444024420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4809503826288).

4222444024420 is an abundant number, since it is smaller than the sum of its proper divisors (5396563628156).

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

4222444024420 is a wasteful number, since it uses less digits than its factorization.

4222444024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40561 (or 40559 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 4222444024420 its reverse (244204442224), we get a palindrome (4466648466644).

The spelling of 4222444024420 in words is "four trillion, two hundred twenty-two billion, four hundred forty-four million, twenty-four thousand, four hundred twenty".