22421004332189 has 2 divisors, whose sum is σ = 22421004332190. Its totient is φ = 22421004332188.

The previous prime is 22421004332063. The next prime is 22421004332227. The reversal of 22421004332189 is 98123340012422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22299569506564 + 121434825625 = 4722242^2 + 348475^2 .

It is a cyclic number.

It is not a de Polignac number, because 22421004332189 - 2⁸ = 22421004331933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22421004332689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210502166094 + 11210502166095.

It is an arithmetic number, because the mean of its divisors is an integer number (11210502166095).

Almost surely, 2^{22421004332189} is an apocalyptic number.

It is an amenable number.

22421004332189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22421004332189 is an equidigital number, since it uses as much as digits as its factorization.

22421004332189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 22421004332189 in words is "twenty-two trillion, four hundred twenty-one billion, four million, three hundred thirty-two thousand, one hundred eighty-nine".