22124340412 has 24 divisors (see below), whose sum is σ = 41003980416. Its totient is φ = 10423274928.

The previous prime is 22124340401. The next prime is 22124340421. The reversal of 22124340412 is 21404342122.

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, 1788478 + ... + 1800805.

It is an arithmetic number, because the mean of its divisors is an integer number (1708499184).

Almost surely, 2^22124340412 is an apocalyptic number.

It is an amenable number.

22124340412 is a deficient number, since it is larger than the sum of its proper divisors (18879640004).

22124340412 is a wasteful number, since it uses less digits than its factorization.

22124340412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589377 (or 3589375 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22124340412 its reverse (21404342122), we get a palindrome (43528682534).

The spelling of 22124340412 in words is "twenty-two billion, one hundred twenty-four million, three hundred forty thousand, four hundred twelve".