224733139 has 2 divisors, whose sum is σ = 224733140. Its totient is φ = 224733138.

The previous prime is 224733137. The next prime is 224733143. The reversal of 224733139 is 931337422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224733139 - 2¹ = 224733137 is a prime.

Together with 224733137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (224733137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112366569 + 112366570.

It is an arithmetic number, because the mean of its divisors is an integer number (112366570).

Almost surely, 2^224733139 is an apocalyptic number.

224733139 is a deficient number, since it is larger than the sum of its proper divisors (1).

224733139 is an equidigital number, since it uses as much as digits as its factorization.

224733139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 224733139 is about 14991.1019941831. The cubic root of 224733139 is about 607.9796447984.

The spelling of 224733139 in words is "two hundred twenty-four million, seven hundred thirty-three thousand, one hundred thirty-nine".