2209807933 has 2 divisors, whose sum is σ = 2209807934. Its totient is φ = 2209807932.

The previous prime is 2209807931. The next prime is 2209807949. The reversal of 2209807933 is 3397089022.

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., 1445672484 + 764135449 = 38022^2 + 27643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209807933 - 2¹ = 2209807931 is a prime.

It is a super-2 number, since 2×2209807933² = 9766502201499464978, which contains 22 as substring.

Together with 2209807931, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2209807933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2209807931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104903966 + 1104903967.

It is an arithmetic number, because the mean of its divisors is an integer number (1104903967).

Almost surely, 2^2209807933 is an apocalyptic number.

It is an amenable number.

2209807933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209807933 is an equidigital number, since it uses as much as digits as its factorization.

2209807933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2209807933 is about 47008.5942461589. The cubic root of 2209807933 is about 1302.5213262988.

The spelling of 2209807933 in words is "two billion, two hundred nine million, eight hundred seven thousand, nine hundred thirty-three".