44824321 has 2 divisors, whose sum is σ = 44824322. Its totient is φ = 44824320.

The previous prime is 44824319. The next prime is 44824349. The reversal of 44824321 is 12342844.

It is a happy number.

It is an a-pointer prime, because the next prime (44824349) can be obtained adding 44824321 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 1296 = 6695^2 + 36^2 .

It is a cyclic number.

It is not a de Polignac number, because 44824321 - 2¹ = 44824319 is a prime.

It is a super-2 number, since 2×44824321² = 4018439506222082, which contains 22 as substring.

Together with 44824319, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44824321.

It is not a weakly prime, because it can be changed into another prime (44824301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22412160 + 22412161.

It is an arithmetic number, because the mean of its divisors is an integer number (22412161).

Almost surely, 2^44824321 is an apocalyptic number.

It is an amenable number.

44824321 is a deficient number, since it is larger than the sum of its proper divisors (1).

44824321 is an equidigital number, since it uses as much as digits as its factorization.

44824321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 28.

The square root of 44824321 is about 6695.0967879486. The cubic root of 44824321 is about 355.2258590501.

The spelling of 44824321 in words is "forty-four million, eight hundred twenty-four thousand, three hundred twenty-one".