224240420255 has 4 divisors (see below), whose sum is σ = 269088504312. Its totient is φ = 179392336200.

The previous prime is 224240420227. The next prime is 224240420279. The reversal of 224240420255 is 552024042422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 224240420255 - 2²⁸ = 223971984799 is a prime.

It is a super-2 number, since 2×224240420255² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 22424042021 + ... + 22424042030.

It is an arithmetic number, because the mean of its divisors is an integer number (67272126078).

Almost surely, 2^224240420255 is an apocalyptic number.

224240420255 is a deficient number, since it is larger than the sum of its proper divisors (44848084057).

224240420255 is an equidigital number, since it uses as much as digits as its factorization.

224240420255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44848084056.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 224240420255 its reverse (552024042422), we get a palindrome (776264462677).

The spelling of 224240420255 in words is "two hundred twenty-four billion, two hundred forty million, four hundred twenty thousand, two hundred fifty-five".