22146091144 has 32 divisors (see below), whose sum is σ = 43348890240. Its totient is φ = 10586822400.

The previous prime is 22146091127. The next prime is 22146091151. The reversal of 22146091144 is 44119064122.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399184 + ... + 451264.

It is an arithmetic number, because the mean of its divisors is an integer number (1354652820).

Almost surely, 2^22146091144 is an apocalyptic number.

It is an amenable number.

22146091144 is a deficient number, since it is larger than the sum of its proper divisors (21202799096).

22146091144 is a wasteful number, since it uses less digits than its factorization.

22146091144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54421 (or 54417 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 22146091144 in words is "twenty-two billion, one hundred forty-six million, ninety-one thousand, one hundred forty-four".