22354246129 has 2 divisors, whose sum is σ = 22354246130. Its totient is φ = 22354246128.

The previous prime is 22354246121. The next prime is 22354246141. The reversal of 22354246129 is 92164245322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18865571904 + 3488674225 = 137352^2 + 59065^2 .

It is a cyclic number.

It is not a de Polignac number, because 22354246129 - 2³ = 22354246121 is a prime.

It is a super-2 number, since 2×22354246129² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22354246091 and 22354246100.

It is not a weakly prime, because it can be changed into another prime (22354246121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11177123064 + 11177123065.

It is an arithmetic number, because the mean of its divisors is an integer number (11177123065).

Almost surely, 2^22354246129 is an apocalyptic number.

It is an amenable number.

22354246129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22354246129 is an equidigital number, since it uses as much as digits as its factorization.

22354246129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The spelling of 22354246129 in words is "twenty-two billion, three hundred fifty-four million, two hundred forty-six thousand, one hundred twenty-nine".