22554215148 has 12 divisors (see below), whose sum is σ = 52626502040. Its totient is φ = 7518071712.

The previous prime is 22554215141. The next prime is 22554215149. The reversal of 22554215148 is 84151245522.

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

It is not an unprimeable number, because it can be changed into a prime (22554215141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 939758953 + ... + 939758976.

Almost surely, 2^22554215148 is an apocalyptic number.

It is an amenable number.

22554215148 is an abundant number, since it is smaller than the sum of its proper divisors (30072286892).

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

22554215148 is a wasteful number, since it uses less digits than its factorization.

22554215148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879517936 (or 1879517934 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The spelling of 22554215148 in words is "twenty-two billion, five hundred fifty-four million, two hundred fifteen thousand, one hundred forty-eight".