22140120044 has 48 divisors (see below), whose sum is σ = 46644998400. Its totient is φ = 8982622656.

The previous prime is 22140120043. The next prime is 22140120053. The reversal of 22140120044 is 44002104122.

It is a junction number, because it is equal to n+sod(n) for n = 22140119998 and 22140120025.

It is not an unprimeable number, because it can be changed into a prime (22140120043) 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, 745667 + ... + 774789.

It is an arithmetic number, because the mean of its divisors is an integer number (971770800).

Almost surely, 2^22140120044 is an apocalyptic number.

It is an amenable number.

22140120044 is an abundant number, since it is smaller than the sum of its proper divisors (24504878356).

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

22140120044 is a wasteful number, since it uses less digits than its factorization.

22140120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30582 (or 30580 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22140120044 its reverse (44002104122), we get a palindrome (66142224166).

The spelling of 22140120044 in words is "twenty-two billion, one hundred forty million, one hundred twenty thousand, forty-four".