2009221607 has 2 divisors, whose sum is σ = 2009221608. Its totient is φ = 2009221606.

The previous prime is 2009221567. The next prime is 2009221639. The reversal of 2009221607 is 7061229002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009221607 - 2⁸ = 2009221351 is a prime.

It is a super-3 number, since 3×2009221607³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2009221607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009221657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004610803 + 1004610804.

It is an arithmetic number, because the mean of its divisors is an integer number (1004610804).

Almost surely, 2^2009221607 is an apocalyptic number.

2009221607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009221607 is an equidigital number, since it uses as much as digits as its factorization.

2009221607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2009221607 is about 44824.3416794937. The cubic root of 2009221607 is about 1261.8544974792.

The spelling of 2009221607 in words is "two billion, nine million, two hundred twenty-one thousand, six hundred seven".