44021099 has 4 divisors (see below), whose sum is σ = 44093064. Its totient is φ = 43949136.

The previous prime is 44021069. The next prime is 44021113. The reversal of 44021099 is 99012044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44021099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44021039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35057 + ... + 36290.

It is an arithmetic number, because the mean of its divisors is an integer number (11023266).

Almost surely, 2^44021099 is an apocalyptic number.

44021099 is a deficient number, since it is larger than the sum of its proper divisors (71965).

44021099 is an equidigital number, since it uses as much as digits as its factorization.

44021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71964.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 44021099 is about 6634.8397870634. The cubic root of 44021099 is about 353.0912539240.

The spelling of 44021099 in words is "forty-four million, twenty-one thousand, ninety-nine".