2225948909 has 2 divisors, whose sum is σ = 2225948910. Its totient is φ = 2225948908.

The previous prime is 2225948887. The next prime is 2225948981. The reversal of 2225948909 is 9098495222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1490346025 + 735602884 = 38605^2 + 27122^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225948909 - 2⁸ = 2225948653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225942909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112974454 + 1112974455.

It is an arithmetic number, because the mean of its divisors is an integer number (1112974455).

Almost surely, 2^2225948909 is an apocalyptic number.

It is an amenable number.

2225948909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225948909 is an equidigital number, since it uses as much as digits as its factorization.

2225948909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2225948909 is about 47179.9630033768. The cubic root of 2225948909 is about 1305.6849472645.

The spelling of 2225948909 in words is "two billion, two hundred twenty-five million, nine hundred forty-eight thousand, nine hundred nine".