12222024440 has 16 divisors (see below), whose sum is σ = 27499555080. Its totient is φ = 4888809760.

The previous prime is 12222024427. The next prime is 12222024491. The reversal of 12222024440 is 4442022221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152775266 + ... + 152775345.

Almost surely, 2^12222024440 is an apocalyptic number.

12222024440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222024440 is an abundant number, since it is smaller than the sum of its proper divisors (15277530640).

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

12222024440 is a wasteful number, since it uses less digits than its factorization.

12222024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305550622 (or 305550618 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12222024440 its reverse (4442022221), we get a palindrome (16664046661).

The spelling of 12222024440 in words is "twelve billion, two hundred twenty-two million, twenty-four thousand, four hundred forty".