44262221987 has 2 divisors, whose sum is σ = 44262221988. Its totient is φ = 44262221986.

The previous prime is 44262221981. The next prime is 44262222029. The reversal of 44262221987 is 78912226244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44262221987 - 2¹⁸ = 44261959843 is a prime.

It is not a weakly prime, because it can be changed into another prime (44262221981) 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, 22131110993 + 22131110994.

It is an arithmetic number, because the mean of its divisors is an integer number (22131110994).

Almost surely, 2^44262221987 is an apocalyptic number.

44262221987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44262221987 is an equidigital number, since it uses as much as digits as its factorization.

44262221987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The spelling of 44262221987 in words is "forty-four billion, two hundred sixty-two million, two hundred twenty-one thousand, nine hundred eighty-seven".