22220004422004 has 48 divisors (see below), whose sum is σ = 52950592966656. Its totient is φ = 7248970591200.

The previous prime is 22220004421997. The next prime is 22220004422023. The reversal of 22220004422004 is 40022440002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42872049 + ... + 43387239.

It is an arithmetic number, because the mean of its divisors is an integer number (1103137353472).

Almost surely, 2^{22220004422004} is an apocalyptic number.

It is an amenable number.

22220004422004 is an abundant number, since it is smaller than the sum of its proper divisors (30730588544652).

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

22220004422004 is a wasteful number, since it uses less digits than its factorization.

22220004422004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591716 (or 591714 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22220004422004 its reverse (40022440002222), we get a palindrome (62242444424226).

The spelling of 22220004422004 in words is "twenty-two trillion, two hundred twenty billion, four million, four hundred twenty-two thousand, four".