22140000144 has 30 divisors (see below), whose sum is σ = 61961250806. Its totient is φ = 7380000000.

The previous prime is 22140000109. The next prime is 22140000191. The reversal of 22140000144 is 44100004122.

22140000144 is a `hidden beast` number, since 221 + 400 + 0 + 0 + 1 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17297510400 + 4842489744 = 131520^2 + 69588^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76874857 + ... + 76875144.

Almost surely, 2^22140000144 is an apocalyptic number.

22140000144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22140000144 is an abundant number, since it is smaller than the sum of its proper divisors (39821250662).

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

22140000144 is a wasteful number, since it uses less digits than its factorization.

22140000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153750015 (or 153750006 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22140000144 its reverse (44100004122), we get a palindrome (66240004266).

The spelling of 22140000144 in words is "twenty-two billion, one hundred forty million, one hundred forty-four", and thus it is an aban number.