22144693776 has 40 divisors (see below), whose sum is σ = 57849913440. Its totient is φ = 7298624256.

The previous prime is 22144693757. The next prime is 22144693777. The reversal of 22144693776 is 67739644122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22144693777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2587570 + ... + 2596113.

It is an arithmetic number, because the mean of its divisors is an integer number (1446247836).

Almost surely, 2^22144693776 is an apocalyptic number.

It is an amenable number.

22144693776 is an abundant number, since it is smaller than the sum of its proper divisors (35705219664).

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

22144693776 is a wasteful number, since it uses less digits than its factorization.

22144693776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183783 (or 5183777 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 22144693776 in words is "twenty-two billion, one hundred forty-four million, six hundred ninety-three thousand, seven hundred seventy-six".