224739841 has 2 divisors, whose sum is σ = 224739842. Its totient is φ = 224739840.

The previous prime is 224739839. The next prime is 224739941. The reversal of 224739841 is 148937422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119246400 + 105493441 = 10920^2 + 10271^2 .

It is a cyclic number.

It is not a de Polignac number, because 224739841 - 2¹ = 224739839 is a prime.

It is a super-2 number, since 2×224739841² = 101015992265410562, which contains 22 as substring.

Together with 224739839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 224739794 and 224739803.

It is not a weakly prime, because it can be changed into another prime (224739811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112369920 + 112369921.

It is an arithmetic number, because the mean of its divisors is an integer number (112369921).

Almost surely, 2^224739841 is an apocalyptic number.

It is an amenable number.

224739841 is a deficient number, since it is larger than the sum of its proper divisors (1).

224739841 is an equidigital number, since it uses as much as digits as its factorization.

224739841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 224739841 is about 14991.3255251162. The cubic root of 224739841 is about 607.9856884688.

The spelling of 224739841 in words is "two hundred twenty-four million, seven hundred thirty-nine thousand, eight hundred forty-one".