22002250044 has 24 divisors (see below), whose sum is σ = 51343262208. Its totient is φ = 7333414960.

The previous prime is 22002250043. The next prime is 22002250057. The reversal of 22002250044 is 44005220022.

It is a self number, because there is not a number n which added to its sum of digits gives 22002250044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002250043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64039 + ... + 219329.

It is an arithmetic number, because the mean of its divisors is an integer number (2139302592).

Almost surely, 2^22002250044 is an apocalyptic number.

It is an amenable number.

22002250044 is an abundant number, since it is smaller than the sum of its proper divisors (29341012164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002250044 is a wasteful number, since it uses less digits than its factorization.

22002250044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167105 (or 167103 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 22002250044 its reverse (44005220022), we get a palindrome (66007470066).

The spelling of 22002250044 in words is "twenty-two billion, two million, two hundred fifty thousand, forty-four".