44424321 has 4 divisors (see below), whose sum is σ = 59232432. Its totient is φ = 29616212.

The previous prime is 44424319. The next prime is 44424323. The reversal of 44424321 is 12342444.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (44424319) and next prime (44424323).

It is a cyclic number.

It is not a de Polignac number, because 44424321 - 2¹ = 44424319 is a prime.

It is a super-2 number, since 2×44424321² = 3947040592622082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44424291 and 44424300.

It is not an unprimeable number, because it can be changed into a prime (44424323) 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, 7404051 + ... + 7404056.

It is an arithmetic number, because the mean of its divisors is an integer number (14808108).

Almost surely, 2^44424321 is an apocalyptic number.

It is an amenable number.

44424321 is a deficient number, since it is larger than the sum of its proper divisors (14808111).

44424321 is a wasteful number, since it uses less digits than its factorization.

44424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808110.

The product of its digits is 3072, while the sum is 24.

The square root of 44424321 is about 6665.1572374551. The cubic root of 44424321 is about 354.1660541135.

Adding to 44424321 its reverse (12342444), we get a palindrome (56766765).

The spelling of 44424321 in words is "forty-four million, four hundred twenty-four thousand, three hundred twenty-one".