22210661329 has 2 divisors, whose sum is σ = 22210661330. Its totient is φ = 22210661328.

The previous prime is 22210661303. The next prime is 22210661351. The reversal of 22210661329 is 92316601222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18703297600 + 3507363729 = 136760^2 + 59223^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210661329 - 2⁹ = 22210660817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210661294 and 22210661303.

It is not a weakly prime, because it can be changed into another prime (22210661029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105330664 + 11105330665.

It is an arithmetic number, because the mean of its divisors is an integer number (11105330665).

Almost surely, 2^22210661329 is an apocalyptic number.

It is an amenable number.

22210661329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210661329 is an equidigital number, since it uses as much as digits as its factorization.

22210661329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 22210661329 in words is "twenty-two billion, two hundred ten million, six hundred sixty-one thousand, three hundred twenty-nine".