44421007 has 2 divisors, whose sum is σ = 44421008. Its totient is φ = 44421006.

The previous prime is 44421001. The next prime is 44421043. The reversal of 44421007 is 70012444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44421007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44421001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22210503 + 22210504.

It is an arithmetic number, because the mean of its divisors is an integer number (22210504).

Almost surely, 2^44421007 is an apocalyptic number.

44421007 is a deficient number, since it is larger than the sum of its proper divisors (1).

44421007 is an equidigital number, since it uses as much as digits as its factorization.

44421007 is an evil number, because the sum of its binary digits is even.

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

The square root of 44421007 is about 6664.9086265304. The cubic root of 44421007 is about 354.1572471097.

The spelling of 44421007 in words is "forty-four million, four hundred twenty-one thousand, seven".