44218807 has 2 divisors, whose sum is σ = 44218808. Its totient is φ = 44218806.

The previous prime is 44218771. The next prime is 44218813. The reversal of 44218807 is 70881244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44218807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44218847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22109403 + 22109404.

It is an arithmetic number, because the mean of its divisors is an integer number (22109404).

Almost surely, 2^44218807 is an apocalyptic number.

44218807 is a deficient number, since it is larger than the sum of its proper divisors (1).

44218807 is an equidigital number, since it uses as much as digits as its factorization.

44218807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 44218807 is about 6649.7223250298. The cubic root of 44218807 is about 353.6190668614.

The spelling of 44218807 in words is "forty-four million, two hundred eighteen thousand, eight hundred seven".