22170430409 has 2 divisors, whose sum is σ = 22170430410. Its totient is φ = 22170430408.

The previous prime is 22170430397. The next prime is 22170430417. The reversal of 22170430409 is 90403407122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15516439225 + 6653991184 = 124565^2 + 81572^2 .

It is a cyclic number.

It is not a de Polignac number, because 22170430409 - 2³² = 17875463113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22170330409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11085215204 + 11085215205.

It is an arithmetic number, because the mean of its divisors is an integer number (11085215205).

Almost surely, 2^22170430409 is an apocalyptic number.

It is an amenable number.

22170430409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22170430409 is an equidigital number, since it uses as much as digits as its factorization.

22170430409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 22170430409 in words is "twenty-two billion, one hundred seventy million, four hundred thirty thousand, four hundred nine".