224738149 has 2 divisors, whose sum is σ = 224738150. Its totient is φ = 224738148.

The previous prime is 224738141. The next prime is 224738159. The reversal of 224738149 is 941837422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219928900 + 4809249 = 14830^2 + 2193^2 .

It is a cyclic number.

It is not a de Polignac number, because 224738149 - 2³ = 224738141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224738141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112369074 + 112369075.

It is an arithmetic number, because the mean of its divisors is an integer number (112369075).

Almost surely, 2^224738149 is an apocalyptic number.

It is an amenable number.

224738149 is a deficient number, since it is larger than the sum of its proper divisors (1).

224738149 is an equidigital number, since it uses as much as digits as its factorization.

224738149 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 224738149 is about 14991.2690923751. The cubic root of 224738149 is about 607.9841626833.

The spelling of 224738149 in words is "two hundred twenty-four million, seven hundred thirty-eight thousand, one hundred forty-nine".