22102300621 has 2 divisors, whose sum is σ = 22102300622. Its totient is φ = 22102300620.

The previous prime is 22102300607. The next prime is 22102300663. The reversal of 22102300621 is 12600320122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12407732100 + 9694568521 = 111390^2 + 98461^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102300621 - 2³³ = 13512366029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102300691) 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, 11051150310 + 11051150311.

It is an arithmetic number, because the mean of its divisors is an integer number (11051150311).

Almost surely, 2^22102300621 is an apocalyptic number.

It is an amenable number.

22102300621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102300621 is an equidigital number, since it uses as much as digits as its factorization.

22102300621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22102300621 its reverse (12600320122), we get a palindrome (34702620743).

The spelling of 22102300621 in words is "twenty-two billion, one hundred two million, three hundred thousand, six hundred twenty-one".