22424221221344 has 24 divisors (see below), whose sum is σ = 44706516996960. Its totient is φ = 11070185158656.

The previous prime is 22424221221323. The next prime is 22424221221421. The reversal of 22424221221344 is 44312212242422.

It is a happy number.

It is a congruent number.

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, 4435167809 + ... + 4435172864.

It is an arithmetic number, because the mean of its divisors is an integer number (1862771541540).

Almost surely, 2^{22424221221344} is an apocalyptic number.

It is an amenable number.

22424221221344 is a deficient number, since it is larger than the sum of its proper divisors (22282295775616).

22424221221344 is an equidigital number, since it uses as much as digits as its factorization.

22424221221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870340762 (or 8870340754 counting only the distinct ones).

The product of its digits is 98304, while the sum is 35.

Adding to 22424221221344 its reverse (44312212242422), we get a palindrome (66736433463766).

The spelling of 22424221221344 in words is "twenty-two trillion, four hundred twenty-four billion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred forty-four".