22140041604 has 12 divisors (see below), whose sum is σ = 51660097104. Its totient is φ = 7380013864.

The previous prime is 22140041563. The next prime is 22140041617. The reversal of 22140041604 is 40614004122.

It is a happy number.

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

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, 922501722 + ... + 922501745.

It is an arithmetic number, because the mean of its divisors is an integer number (4305008092).

Almost surely, 2^22140041604 is an apocalyptic number.

It is an amenable number.

22140041604 is an abundant number, since it is smaller than the sum of its proper divisors (29520055500).

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

22140041604 is a wasteful number, since it uses less digits than its factorization.

22140041604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845003474 (or 1845003472 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22140041604 its reverse (40614004122), we get a palindrome (62754045726).

The spelling of 22140041604 in words is "twenty-two billion, one hundred forty million, forty-one thousand, six hundred four".