44423221147 has 4 divisors (see below), whose sum is σ = 45151470736. Its totient is φ = 43694971560.

The previous prime is 44423221103. The next prime is 44423221211. The reversal of 44423221147 is 74112232444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44423221147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44423221847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364124703 + ... + 364124824.

It is an arithmetic number, because the mean of its divisors is an integer number (11287867684).

Almost surely, 2^44423221147 is an apocalyptic number.

44423221147 is a deficient number, since it is larger than the sum of its proper divisors (728249589).

44423221147 is an equidigital number, since it uses as much as digits as its factorization.

44423221147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728249588.

The product of its digits is 43008, while the sum is 34.

The spelling of 44423221147 in words is "forty-four billion, four hundred twenty-three million, two hundred twenty-one thousand, one hundred forty-seven".