240226555 has 4 divisors (see below), whose sum is σ = 288271872. Its totient is φ = 192181240.

The previous prime is 240226543. The next prime is 240226573. The reversal of 240226555 is 555622042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555622042 = 2 ⋅277811021.

It is not a de Polignac number, because 240226555 - 2⁹ = 240226043 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24022651 + ... + 24022660.

It is an arithmetic number, because the mean of its divisors is an integer number (72067968).

Almost surely, 2^240226555 is an apocalyptic number.

240226555 is a deficient number, since it is larger than the sum of its proper divisors (48045317).

240226555 is an equidigital number, since it uses as much as digits as its factorization.

240226555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48045316.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 240226555 is about 15499.2436912257. The cubic root of 240226555 is about 621.6419838766.

Adding to 240226555 its reverse (555622042), we get a palindrome (795848597).

The spelling of 240226555 in words is "two hundred forty million, two hundred twenty-six thousand, five hundred fifty-five".