22020444487 has 2 divisors, whose sum is σ = 22020444488. Its totient is φ = 22020444486.

The previous prime is 22020444461. The next prime is 22020444491. The reversal of 22020444487 is 78444402022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22020444487 - 2¹¹ = 22020442439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020447487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010222243 + 11010222244.

It is an arithmetic number, because the mean of its divisors is an integer number (11010222244).

Almost surely, 2^22020444487 is an apocalyptic number.

22020444487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020444487 is an equidigital number, since it uses as much as digits as its factorization.

22020444487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 37.

The spelling of 22020444487 in words is "twenty-two billion, twenty million, four hundred forty-four thousand, four hundred eighty-seven".