224605949 has 2 divisors, whose sum is σ = 224605950. Its totient is φ = 224605948.

The previous prime is 224605939. The next prime is 224605961. The reversal of 224605949 is 949506422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 2059225 = 14918^2 + 1435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224605949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224605939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112302974 + 112302975.

It is an arithmetic number, because the mean of its divisors is an integer number (112302975).

Almost surely, 2^224605949 is an apocalyptic number.

It is an amenable number.

224605949 is a deficient number, since it is larger than the sum of its proper divisors (1).

224605949 is an equidigital number, since it uses as much as digits as its factorization.

224605949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 224605949 is about 14986.8592106552. The cubic root of 224605949 is about 607.8649257375.

The spelling of 224605949 in words is "two hundred twenty-four million, six hundred five thousand, nine hundred forty-nine".