22444300121 has 4 divisors (see below), whose sum is σ = 22445088000. Its totient is φ = 22443512244.

The previous prime is 22444300103. The next prime is 22444300127. The reversal of 22444300121 is 12100344422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22444300121 - 2¹⁴ = 22444283737 is a prime.

It is a super-2 number, since 2×22444300121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22444300127) by changing a digit.

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, 349541 + ... + 408738.

It is an arithmetic number, because the mean of its divisors is an integer number (5611272000).

Almost surely, 2^22444300121 is an apocalyptic number.

It is an amenable number.

22444300121 is a deficient number, since it is larger than the sum of its proper divisors (787879).

22444300121 is an equidigital number, since it uses as much as digits as its factorization.

22444300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787878.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22444300121 its reverse (12100344422), we get a palindrome (34544644543).

The spelling of 22444300121 in words is "twenty-two billion, four hundred forty-four million, three hundred thousand, one hundred twenty-one".