22042224220404 has 12 divisors (see below), whose sum is σ = 51431856514304. Its totient is φ = 7347408073464.

The previous prime is 22042224220381. The next prime is 22042224220433. The reversal of 22042224220404 is 40402242224022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918426009172 + ... + 918426009195.

Almost surely, 2^{22042224220404} is an apocalyptic number.

It is an amenable number.

22042224220404 is an abundant number, since it is smaller than the sum of its proper divisors (29389632293900).

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

22042224220404 is a wasteful number, since it uses less digits than its factorization.

22042224220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836852018374 (or 1836852018372 counting only the distinct ones).

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

Adding to 22042224220404 its reverse (40402242224022), we get a palindrome (62444466444426).

The spelling of 22042224220404 in words is "twenty-two trillion, forty-two billion, two hundred twenty-four million, two hundred twenty thousand, four hundred four".