22222089641 has 2 divisors, whose sum is σ = 22222089642. Its totient is φ = 22222089640.

The previous prime is 22222089623. The next prime is 22222089679. The reversal of 22222089641 is 14698022222.

It is an a-pointer prime, because the next prime (22222089679) can be obtained adding 22222089641 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19931510041 + 2290579600 = 141179^2 + 47860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222089641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22222089595 and 22222089604.

It is not a weakly prime, because it can be changed into another prime (22222089041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111044820 + 11111044821.

It is an arithmetic number, because the mean of its divisors is an integer number (11111044821).

Almost surely, 2^22222089641 is an apocalyptic number.

It is an amenable number.

22222089641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222089641 is an equidigital number, since it uses as much as digits as its factorization.

22222089641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 22222089641 in words is "twenty-two billion, two hundred twenty-two million, eighty-nine thousand, six hundred forty-one".