22240420404 has 24 divisors (see below), whose sum is σ = 52021206720. Its totient is φ = 7395345984.

The previous prime is 22240420399. The next prime is 22240420451. The reversal of 22240420404 is 40402404222.

It is a super-3 number, since 3×22240420404³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260824 + ... + 2270639.

It is an arithmetic number, because the mean of its divisors is an integer number (2167550280).

Almost surely, 2^22240420404 is an apocalyptic number.

It is an amenable number.

22240420404 is an abundant number, since it is smaller than the sum of its proper divisors (29780786316).

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

22240420404 is a wasteful number, since it uses less digits than its factorization.

22240420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531879 (or 4531877 counting only the distinct ones).

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

Adding to 22240420404 its reverse (40402404222), we get a palindrome (62642824626).

The spelling of 22240420404 in words is "twenty-two billion, two hundred forty million, four hundred twenty thousand, four hundred four".