22620055044 has 12 divisors (see below), whose sum is σ = 52780128464. Its totient is φ = 7540018344.

The previous prime is 22620055001. The next prime is 22620055093. The reversal of 22620055044 is 44055002622.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942502282 + ... + 942502305.

Almost surely, 2^22620055044 is an apocalyptic number.

It is an amenable number.

22620055044 is an abundant number, since it is smaller than the sum of its proper divisors (30160073420).

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

22620055044 is a wasteful number, since it uses less digits than its factorization.

22620055044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885004594 (or 1885004592 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22620055044 its reverse (44055002622), we get a palindrome (66675057666).

The spelling of 22620055044 in words is "twenty-two billion, six hundred twenty million, fifty-five thousand, forty-four".