44419021 has 2 divisors, whose sum is σ = 44419022. Its totient is φ = 44419020.

The previous prime is 44419013. The next prime is 44419033. The reversal of 44419021 is 12091444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 14333796 = 5485^2 + 3786^2 .

It is a cyclic number.

It is not a de Polignac number, because 44419021 - 2³ = 44419013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44419051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22209510 + 22209511.

It is an arithmetic number, because the mean of its divisors is an integer number (22209511).

Almost surely, 2^44419021 is an apocalyptic number.

It is an amenable number.

44419021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44419021 is an equidigital number, since it uses as much as digits as its factorization.

44419021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 44419021 is about 6664.7596355758. The cubic root of 44419021 is about 354.1519690756.

The spelling of 44419021 in words is "forty-four million, four hundred nineteen thousand, twenty-one".