42220042244244 has 36 divisors (see below), whose sum is σ = 106723201856544. Its totient is φ = 14073305573712.

The previous prime is 42220042244221. The next prime is 42220042244249. The reversal of 42220042244244 is 44244224002224.

42220042244244 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 0 + 0 + 4 + 224 + 424 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42220042244244² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42220042244199 and 42220042244208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220042244249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12022489 + ... + 15132095.

It is an arithmetic number, because the mean of its divisors is an integer number (2964533384904).

Almost surely, 2^{42220042244244} is an apocalyptic number.

It is an amenable number.

42220042244244 is an abundant number, since it is smaller than the sum of its proper divisors (64503159612300).

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

42220042244244 is a wasteful number, since it uses less digits than its factorization.

42220042244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486764 (or 3486759 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 42220042244244 its reverse (44244224002224), we get a palindrome (86464266246468).

The spelling of 42220042244244 in words is "forty-two trillion, two hundred twenty billion, forty-two million, two hundred forty-four thousand, two hundred forty-four".