224153231 has 4 divisors (see below), whose sum is σ = 224754552. Its totient is φ = 223551912.

The previous prime is 224153221. The next prime is 224153269. The reversal of 224153231 is 132351422.

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

It is a cyclic number.

It is not a de Polignac number, because 224153231 - 2²² = 219958927 is a prime.

It is a super-2 number, since 2×224153231² = 100489341935478722, 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 = 224153197 and 224153206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224153201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300101 + ... + 300846.

It is an arithmetic number, because the mean of its divisors is an integer number (56188638).

Almost surely, 2^224153231 is an apocalyptic number.

224153231 is a deficient number, since it is larger than the sum of its proper divisors (601321).

224153231 is an equidigital number, since it uses as much as digits as its factorization.

224153231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601320.

The product of its digits is 1440, while the sum is 23.

The square root of 224153231 is about 14971.7477603652. The cubic root of 224153231 is about 607.4562448235.

The spelling of 224153231 in words is "two hundred twenty-four million, one hundred fifty-three thousand, two hundred thirty-one".