224231164 has 6 divisors (see below), whose sum is σ = 392404544. Its totient is φ = 112115580.

The previous prime is 224231149. The next prime is 224231167. The reversal of 224231164 is 461132422.

It is a happy number.

It is a super-2 number, since 2×224231164² = 100559229817589792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224231167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028892 + ... + 28028899.

Almost surely, 2^224231164 is an apocalyptic number.

It is an amenable number.

224231164 is a deficient number, since it is larger than the sum of its proper divisors (168173380).

224231164 is a wasteful number, since it uses less digits than its factorization.

224231164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56057795 (or 56057793 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 224231164 is about 14974.3502029303. The cubic root of 224231164 is about 607.5266362575.

Adding to 224231164 its reverse (461132422), we get a palindrome (685363586).

The spelling of 224231164 in words is "two hundred twenty-four million, two hundred thirty-one thousand, one hundred sixty-four".