22555054144 has 112 divisors (see below), whose sum is σ = 53616319488. Its totient is φ = 9204484608.

The previous prime is 22555054141. The next prime is 22555054153. The reversal of 22555054144 is 44145055522.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (22555054141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334187 + ... + 2343829.

Almost surely, 2^22555054144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22555054144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26808159744).

22555054144 is an abundant number, since it is smaller than the sum of its proper divisors (31061265344).

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

22555054144 is a wasteful number, since it uses less digits than its factorization.

22555054144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9912 (or 9902 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 22555054144 in words is "twenty-two billion, five hundred fifty-five million, fifty-four thousand, one hundred forty-four".