22000402404442 has 32 divisors (see below), whose sum is σ = 41144210486784. Its totient is φ = 8571460186800.

The previous prime is 22000402404403. The next prime is 22000402404443. The reversal of 22000402404442 is 24440420400022.

It is a self number, because there is not a number n which added to its sum of digits gives 22000402404442.

It is not an unprimeable number, because it can be changed into a prime (22000402404443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9909613 + ... + 11924815.

It is an arithmetic number, because the mean of its divisors is an integer number (1285756577712).

Almost surely, 2^{22000402404442} is an apocalyptic number.

22000402404442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22000402404442 is a deficient number, since it is larger than the sum of its proper divisors (19143808082342).

22000402404442 is a wasteful number, since it uses less digits than its factorization.

22000402404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086114.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22000402404442 its reverse (24440420400022), we get a palindrome (46440822804464).

The spelling of 22000402404442 in words is "twenty-two trillion, four hundred two million, four hundred four thousand, four hundred forty-two".