22447745139 has 8 divisors (see below), whose sum is σ = 30660334992. Its totient is φ = 14600159360.

The previous prime is 22447745129. The next prime is 22447745189. The reversal of 22447745139 is 93154774422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22447745139 - 2⁷ = 22447745011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22447745129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91250874 + ... + 91251119.

It is an arithmetic number, because the mean of its divisors is an integer number (3832541874).

Almost surely, 2^22447745139 is an apocalyptic number.

22447745139 is a deficient number, since it is larger than the sum of its proper divisors (8212589853).

22447745139 is a wasteful number, since it uses less digits than its factorization.

22447745139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182502037.

The product of its digits is 1693440, while the sum is 48.

The spelling of 22447745139 in words is "twenty-two billion, four hundred forty-seven million, seven hundred forty-five thousand, one hundred thirty-nine".