22540104004 has 24 divisors (see below), whose sum is σ = 43620581088. Its totient is φ = 10105151040.

The previous prime is 22540103987. The next prime is 22540104017. The reversal of 22540104004 is 40040104522.

It is a happy number.

It is a super-2 number, since 2×22540104004² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 3505522 + ... + 3511945.

It is an arithmetic number, because the mean of its divisors is an integer number (1817524212).

Almost surely, 2^22540104004 is an apocalyptic number.

It is an amenable number.

22540104004 is a deficient number, since it is larger than the sum of its proper divisors (21080477084).

22540104004 is a wasteful number, since it uses less digits than its factorization.

22540104004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017555 (or 7017553 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 22540104004 its reverse (40040104522), we get a palindrome (62580208526).

The spelling of 22540104004 in words is "twenty-two billion, five hundred forty million, one hundred four thousand, four".