224221263 has 32 divisors (see below), whose sum is σ = 348074496. Its totient is φ = 125747328.

The previous prime is 224221253. The next prime is 224221271. The reversal of 224221263 is 362122422.

It is a happy number.

It is not a de Polignac number, because 224221263 - 2⁶ = 224221199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224221253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343045 + ... + 343697.

It is an arithmetic number, because the mean of its divisors is an integer number (10877328).

Almost surely, 2^224221263 is an apocalyptic number.

224221263 is a deficient number, since it is larger than the sum of its proper divisors (123853233).

224221263 is a wasteful number, since it uses less digits than its factorization.

224221263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 2304, while the sum is 24.

The square root of 224221263 is about 14974.0196006283. The cubic root of 224221263 is about 607.5176942805.

Adding to 224221263 its reverse (362122422), we get a palindrome (586343685).

The spelling of 224221263 in words is "two hundred twenty-four million, two hundred twenty-one thousand, two hundred sixty-three".