44422881 has 8 divisors (see below), whose sum is σ = 59273760. Its totient is φ = 29593632.

The previous prime is 44422877. The next prime is 44422897. The reversal of 44422881 is 18822444.

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

It is not a de Polignac number, because 44422881 - 2² = 44422877 is a prime.

It is a super-2 number, since 2×44422881² = 3946784712680322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (44422801) 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, 226 + ... + 9428.

It is an arithmetic number, because the mean of its divisors is an integer number (7409220).

Almost surely, 2^44422881 is an apocalyptic number.

It is an amenable number.

44422881 is a deficient number, since it is larger than the sum of its proper divisors (14850879).

44422881 is a wasteful number, since it uses less digits than its factorization.

44422881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815.

The product of its digits is 16384, while the sum is 33.

The square root of 44422881 is about 6665.0492121214. The cubic root of 44422881 is about 354.1622273461.

The spelling of 44422881 in words is "forty-four million, four hundred twenty-two thousand, eight hundred eighty-one".