44422393 has 4 divisors (see below), whose sum is σ = 45505908. Its totient is φ = 43338880.

The previous prime is 44422381. The next prime is 44422409. The reversal of 44422393 is 39322444.

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 21650409 + 22771984 = 4653^2 + 4772^2 .

It is a cyclic number.

It is not a de Polignac number, because 44422393 - 2¹⁷ = 44291321 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44422333) 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, 541696 + ... + 541777.

It is an arithmetic number, because the mean of its divisors is an integer number (11376477).

Almost surely, 2^44422393 is an apocalyptic number.

It is an amenable number.

44422393 is a deficient number, since it is larger than the sum of its proper divisors (1083515).

44422393 is a wasteful number, since it uses less digits than its factorization.

44422393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083514.

The product of its digits is 20736, while the sum is 31.

The square root of 44422393 is about 6665.0126031389. The cubic root of 44422393 is about 354.1609304784.

The spelling of 44422393 in words is "forty-four million, four hundred twenty-two thousand, three hundred ninety-three".