22002204440420 has 24 divisors (see below), whose sum is σ = 46213606543104. Its totient is φ = 8799171829856.

The previous prime is 22002204440387. The next prime is 22002204440423. The reversal of 22002204440420 is 2404440220022.

It is a self number, because there is not a number n which added to its sum of digits gives 22002204440420.

It is not an unprimeable number, because it can be changed into a prime (22002204440423) 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 7 ways as a sum of consecutive naturals, for example, 106766132 + ... + 106972011.

It is an arithmetic number, because the mean of its divisors is an integer number (1925566939296).

Almost surely, 2^{22002204440420} is an apocalyptic number.

22002204440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002204440420 is an abundant number, since it is smaller than the sum of its proper divisors (24211402102684).

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

22002204440420 is a wasteful number, since it uses less digits than its factorization.

22002204440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213743299 (or 213743297 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22002204440420 its reverse (2404440220022), we get a palindrome (24406644660442).

The spelling of 22002204440420 in words is "twenty-two trillion, two billion, two hundred four million, four hundred forty thousand, four hundred twenty".