2420400244422 has 16 divisors (see below), whose sum is σ = 5125553458992. Its totient is φ = 759341253120.

The previous prime is 2420400244387. The next prime is 2420400244441. The reversal of 2420400244422 is 2244420040242.

It is a happy number.

It is a super-2 number, since 2×2420400244422² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2420400244422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11864706979 + ... + 11864707182.

It is an arithmetic number, because the mean of its divisors is an integer number (320347091187).

Almost surely, 2^{2420400244422} is an apocalyptic number.

2420400244422 is an abundant number, since it is smaller than the sum of its proper divisors (2705153214570).

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

2420400244422 is a wasteful number, since it uses less digits than its factorization.

2420400244422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23729414183.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2420400244422 its reverse (2244420040242), we get a palindrome (4664820284664).

The spelling of 2420400244422 in words is "two trillion, four hundred twenty billion, four hundred million, two hundred forty-four thousand, four hundred twenty-two".