22145514044 has 24 divisors (see below), whose sum is σ = 38914873536. Its totient is φ = 11027016000.

The previous prime is 22145514037. The next prime is 22145514091. The reversal of 22145514044 is 44041554122.

It is a self number, because there is not a number n which added to its sum of digits gives 22145514044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790054 + ... + 4794674.

It is an arithmetic number, because the mean of its divisors is an integer number (1621453064).

Almost surely, 2^22145514044 is an apocalyptic number.

It is an amenable number.

22145514044 is a deficient number, since it is larger than the sum of its proper divisors (16769359492).

22145514044 is a wasteful number, since it uses less digits than its factorization.

22145514044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317 (or 9315 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 22145514044 in words is "twenty-two billion, one hundred forty-five million, five hundred fourteen thousand, forty-four".