240922909 has 2 divisors, whose sum is σ = 240922910. Its totient is φ = 240922908.

The previous prime is 240922897. The next prime is 240922921. The reversal of 240922909 is 909229042.

240922909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (240922897) and next prime (240922921).

It can be written as a sum of positive squares in only one way, i.e., 197402500 + 43520409 = 14050^2 + 6597^2 .

It is a cyclic number.

It is not a de Polignac number, because 240922909 - 2⁹ = 240922397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240922939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120461454 + 120461455.

It is an arithmetic number, because the mean of its divisors is an integer number (120461455).

Almost surely, 2^240922909 is an apocalyptic number.

It is an amenable number.

240922909 is a deficient number, since it is larger than the sum of its proper divisors (1).

240922909 is an equidigital number, since it uses as much as digits as its factorization.

240922909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 240922909 is about 15521.6915637439. The cubic root of 240922909 is about 622.2420636400.

The spelling of 240922909 in words is "two hundred forty million, nine hundred twenty-two thousand, nine hundred nine".