22103402444 has 12 divisors (see below), whose sum is σ = 38691977184. Its totient is φ = 11048551824.

The previous prime is 22103402441. The next prime is 22103402491. The reversal of 22103402444 is 44420430122.

It is a happy number.

It is a super-3 number, since 3×22103402444³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22103402441) 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, 771524 + ... + 799659.

It is an arithmetic number, because the mean of its divisors is an integer number (3224331432).

Almost surely, 2^22103402444 is an apocalyptic number.

It is an amenable number.

22103402444 is a deficient number, since it is larger than the sum of its proper divisors (16588574740).

22103402444 is a wasteful number, since it uses less digits than its factorization.

22103402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574704 (or 1574702 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22103402444 its reverse (44420430122), we get a palindrome (66523832566).

The spelling of 22103402444 in words is "twenty-two billion, one hundred three million, four hundred two thousand, four hundred forty-four".