22428360973 has 2 divisors, whose sum is σ = 22428360974. Its totient is φ = 22428360972.

The previous prime is 22428360947. The next prime is 22428361063. The reversal of 22428360973 is 37906382422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18198549604 + 4229811369 = 134902^2 + 65037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22428360973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22428360923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11214180486 + 11214180487.

It is an arithmetic number, because the mean of its divisors is an integer number (11214180487).

Almost surely, 2^22428360973 is an apocalyptic number.

It is an amenable number.

22428360973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22428360973 is an equidigital number, since it uses as much as digits as its factorization.

22428360973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 22428360973 in words is "twenty-two billion, four hundred twenty-eight million, three hundred sixty thousand, nine hundred seventy-three".