44122081 has 4 divisors (see below), whose sum is σ = 44344000. Its totient is φ = 43900164.

The previous prime is 44122037. The next prime is 44122087. The reversal of 44122081 is 18022144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44122081 - 2¹⁹ = 43597793 is a prime.

It is a super-2 number, since 2×44122081² = 3893516063541122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44122087) 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, 110661 + ... + 111058.

It is an arithmetic number, because the mean of its divisors is an integer number (11086000).

Almost surely, 2^44122081 is an apocalyptic number.

It is an amenable number.

44122081 is a deficient number, since it is larger than the sum of its proper divisors (221919).

44122081 is a wasteful number, since it uses less digits than its factorization.

44122081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221918.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 44122081 is about 6642.4454081310. The cubic root of 44122081 is about 353.3610384312.

It can be divided in two parts, 441 and 22081, that added together give a palindrome (22522).

The spelling of 44122081 in words is "forty-four million, one hundred twenty-two thousand, eighty-one".