22013229989 has 2 divisors, whose sum is σ = 22013229990. Its totient is φ = 22013229988.

The previous prime is 22013229967. The next prime is 22013230021. The reversal of 22013229989 is 98992231022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19312660900 + 2700569089 = 138970^2 + 51967^2 .

It is a cyclic number.

It is not a de Polignac number, because 22013229989 - 2¹² = 22013225893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013229929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006614994 + 11006614995.

It is an arithmetic number, because the mean of its divisors is an integer number (11006614995).

Almost surely, 2^22013229989 is an apocalyptic number.

It is an amenable number.

22013229989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013229989 is an equidigital number, since it uses as much as digits as its factorization.

22013229989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 22013229989 in words is "twenty-two billion, thirteen million, two hundred twenty-nine thousand, nine hundred eighty-nine".