12226225940 has 24 divisors (see below), whose sum is σ = 25859793120. Its totient is φ = 4855305888.

The previous prime is 12226225927. The next prime is 12226225967. The reversal of 12226225940 is 4952262221.

It is a self number, because there is not a number n which added to its sum of digits gives 12226225940.

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, 2196182 + ... + 2201741.

It is an arithmetic number, because the mean of its divisors is an integer number (1077491380).

Almost surely, 2^12226225940 is an apocalyptic number.

12226225940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12226225940 is an abundant number, since it is smaller than the sum of its proper divisors (13633567180).

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

12226225940 is a wasteful number, since it uses less digits than its factorization.

12226225940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398071 (or 4398069 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12226225940 in words is "twelve billion, two hundred twenty-six million, two hundred twenty-five thousand, nine hundred forty".