44001247 has 2 divisors, whose sum is σ = 44001248. Its totient is φ = 44001246.

The previous prime is 44001239. The next prime is 44001271. The reversal of 44001247 is 74210044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44001247 - 2³ = 44001239 is a prime.

It is a super-2 number, since 2×44001247² = 3872219475110018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44001847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000623 + 22000624.

It is an arithmetic number, because the mean of its divisors is an integer number (22000624).

Almost surely, 2^44001247 is an apocalyptic number.

44001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

44001247 is an equidigital number, since it uses as much as digits as its factorization.

44001247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 44001247 is about 6633.3435762065. The cubic root of 44001247 is about 353.0381686105.

The spelling of 44001247 in words is "forty-four million, one thousand, two hundred forty-seven".