10522216609 has 2 divisors, whose sum is σ = 10522216610. Its totient is φ = 10522216608.

The previous prime is 10522216597. The next prime is 10522216631. The reversal of 10522216609 is 90661222501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7076174400 + 3446042209 = 84120^2 + 58703^2 .

It is a cyclic number.

It is not a de Polignac number, because 10522216609 - 2⁵ = 10522216577 is a prime.

It is a super-2 number, since 2×10522216609² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10522216699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5261108304 + 5261108305.

It is an arithmetic number, because the mean of its divisors is an integer number (5261108305).

Almost surely, 2^10522216609 is an apocalyptic number.

It is an amenable number.

10522216609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10522216609 is an equidigital number, since it uses as much as digits as its factorization.

10522216609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 10522216609 in words is "ten billion, five hundred twenty-two million, two hundred sixteen thousand, six hundred nine".