22434404393 has 2 divisors, whose sum is σ = 22434404394. Its totient is φ = 22434404392.

The previous prime is 22434404359. The next prime is 22434404441. The reversal of 22434404393 is 39340443422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22023450409 + 410953984 = 148403^2 + 20272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22434404393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22434404323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217202196 + 11217202197.

It is an arithmetic number, because the mean of its divisors is an integer number (11217202197).

Almost surely, 2^22434404393 is an apocalyptic number.

It is an amenable number.

22434404393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434404393 is an equidigital number, since it uses as much as digits as its factorization.

22434404393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 22434404393 in words is "twenty-two billion, four hundred thirty-four million, four hundred four thousand, three hundred ninety-three".