240422389 has 2 divisors, whose sum is σ = 240422390. Its totient is φ = 240422388.

The previous prime is 240422353. The next prime is 240422393. The reversal of 240422389 is 983224042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157703364 + 82719025 = 12558^2 + 9095^2 .

It is a cyclic number.

It is not a de Polignac number, because 240422389 - 2²¹ = 238325237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240422089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120211194 + 120211195.

It is an arithmetic number, because the mean of its divisors is an integer number (120211195).

Almost surely, 2^240422389 is an apocalyptic number.

It is an amenable number.

240422389 is a deficient number, since it is larger than the sum of its proper divisors (1).

240422389 is an equidigital number, since it uses as much as digits as its factorization.

240422389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 240422389 is about 15505.5599382931. The cubic root of 240422389 is about 621.8108599758.

The spelling of 240422389 in words is "two hundred forty million, four hundred twenty-two thousand, three hundred eighty-nine".