2213309569 has 2 divisors, whose sum is σ = 2213309570. Its totient is φ = 2213309568.

The previous prime is 2213309531. The next prime is 2213309591. The reversal of 2213309569 is 9659033122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1529748544 + 683561025 = 39112^2 + 26145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213309569 - 2²⁷ = 2079091841 is a prime.

It is a super-2 number, since 2×2213309569² = 9797478496453931522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2213309269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106654784 + 1106654785.

It is an arithmetic number, because the mean of its divisors is an integer number (1106654785).

Almost surely, 2^2213309569 is an apocalyptic number.

It is an amenable number.

2213309569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213309569 is an equidigital number, since it uses as much as digits as its factorization.

2213309569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 2213309569 is about 47045.8241398745. The cubic root of 2213309569 is about 1303.2089499513.

The spelling of 2213309569 in words is "two billion, two hundred thirteen million, three hundred nine thousand, five hundred sixty-nine".