224213131 has 8 divisors (see below), whose sum is σ = 236034720. Its totient is φ = 212564352.

The previous prime is 224213117. The next prime is 224213147. The reversal of 224213131 is 131312422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224213131 - 2²¹ = 222115979 is a prime.

It is a super-2 number, since 2×224213131² = 100543056225646322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224213099 and 224213108.

It is not an unprimeable number, because it can be changed into a prime (224213831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40536 + ... + 45733.

It is an arithmetic number, because the mean of its divisors is an integer number (29504340).

Almost surely, 2^224213131 is an apocalyptic number.

224213131 is a deficient number, since it is larger than the sum of its proper divisors (11821589).

224213131 is a wasteful number, since it uses less digits than its factorization.

224213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86405.

The product of its digits is 288, while the sum is 19.

The square root of 224213131 is about 14973.7480611903. The cubic root of 224213131 is about 607.5103497590.

Adding to 224213131 its reverse (131312422), we get a palindrome (355525553).

It can be divided in two parts, 22421 and 3131, that added together give a palindrome (25552).

The spelling of 224213131 in words is "two hundred twenty-four million, two hundred thirteen thousand, one hundred thirty-one".