44522987 has 2 divisors, whose sum is σ = 44522988. Its totient is φ = 44522986.

The previous prime is 44522981. The next prime is 44523013. The reversal of 44522987 is 78922544.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44522987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44522981) 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 as a sum of consecutive naturals, namely, 22261493 + 22261494.

It is an arithmetic number, because the mean of its divisors is an integer number (22261494).

Almost surely, 2^44522987 is an apocalyptic number.

44522987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44522987 is an equidigital number, since it uses as much as digits as its factorization.

44522987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 44522987 is about 6672.5547581118. The cubic root of 44522987 is about 354.4280600656.

It can be divided in two parts, 445 and 22987, that added together give a palindrome (23432).

The spelling of 44522987 in words is "forty-four million, five hundred twenty-two thousand, nine hundred eighty-seven".