22400401444 has 24 divisors (see below), whose sum is σ = 40776535800. Its totient is φ = 10754231040.

The previous prime is 22400401423. The next prime is 22400401469. The reversal of 22400401444 is 44410400422.

It can be written as a sum of positive squares in 4 ways, for example, as 655360000 + 21745041444 = 25600^2 + 147462^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512449 + ... + 554440.

It is an arithmetic number, because the mean of its divisors is an integer number (1699022325).

Almost surely, 2^22400401444 is an apocalyptic number.

It is an amenable number.

22400401444 is a deficient number, since it is larger than the sum of its proper divisors (18376134356).

22400401444 is a wasteful number, since it uses less digits than its factorization.

22400401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067103 (or 1067101 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22400401444 its reverse (44410400422), we get a palindrome (66810801866).

The spelling of 22400401444 in words is "twenty-two billion, four hundred million, four hundred one thousand, four hundred forty-four".