44428222777 has 4 divisors (see below), whose sum is σ = 44438063076. Its totient is φ = 44418382480.

The previous prime is 44428222733. The next prime is 44428222859. The reversal of 44428222777 is 77722282444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14627451136 + 29800771641 = 120944^2 + 172629^2 .

It is a cyclic number.

It is not a de Polignac number, because 44428222777 - 2¹⁹ = 44427698489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44428222777.

It is not an unprimeable number, because it can be changed into a prime (44428222717) 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, 4913374 + ... + 4922407.

It is an arithmetic number, because the mean of its divisors is an integer number (11109515769).

Almost surely, 2^44428222777 is an apocalyptic number.

It is an amenable number.

44428222777 is a deficient number, since it is larger than the sum of its proper divisors (9840299).

44428222777 is an equidigital number, since it uses as much as digits as its factorization.

44428222777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840298.

The product of its digits is 2809856, while the sum is 49.

The spelling of 44428222777 in words is "forty-four billion, four hundred twenty-eight million, two hundred twenty-two thousand, seven hundred seventy-seven".