2246725909 has 2 divisors, whose sum is σ = 2246725910. Its totient is φ = 2246725908.

The previous prime is 2246725867. The next prime is 2246725991. The reversal of 2246725909 is 9095276422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2245338225 + 1387684 = 47385^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246725909 - 2⁷ = 2246725781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246725409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123362954 + 1123362955.

It is an arithmetic number, because the mean of its divisors is an integer number (1123362955).

Almost surely, 2^2246725909 is an apocalyptic number.

It is an amenable number.

2246725909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246725909 is an equidigital number, since it uses as much as digits as its factorization.

2246725909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 2246725909 is about 47399.6403889312. The cubic root of 2246725909 is about 1309.7347925727.

The spelling of 2246725909 in words is "two billion, two hundred forty-six million, seven hundred twenty-five thousand, nine hundred nine".