240022427 has 2 divisors, whose sum is σ = 240022428. Its totient is φ = 240022426.

The previous prime is 240022403. The next prime is 240022477. The reversal of 240022427 is 724220042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240022427 - 2⁸ = 240022171 is a prime.

It is a super-2 number, since 2×240022427² = 115221530925940658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240022477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120011213 + 120011214.

It is an arithmetic number, because the mean of its divisors is an integer number (120011214).

Almost surely, 2^240022427 is an apocalyptic number.

240022427 is a deficient number, since it is larger than the sum of its proper divisors (1).

240022427 is an equidigital number, since it uses as much as digits as its factorization.

240022427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 240022427 is about 15492.6571962333. The cubic root of 240022427 is about 621.4658577832.

Adding to 240022427 its reverse (724220042), we get a palindrome (964242469).

The spelling of 240022427 in words is "two hundred forty million, twenty-two thousand, four hundred twenty-seven".