224726939 has 2 divisors, whose sum is σ = 224726940. Its totient is φ = 224726938.

The previous prime is 224726933. The next prime is 224726941. The reversal of 224726939 is 939627422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224726939 - 2⁸ = 224726683 is a prime.

It is a super-2 number, since 2×224726939² = 101004394224619442, which contains 22 as substring.

Together with 224726941, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224726939.

It is not a weakly prime, because it can be changed into another prime (224726933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112363469 + 112363470.

It is an arithmetic number, because the mean of its divisors is an integer number (112363470).

Almost surely, 2^224726939 is an apocalyptic number.

224726939 is a deficient number, since it is larger than the sum of its proper divisors (1).

224726939 is an equidigital number, since it uses as much as digits as its factorization.

224726939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 224726939 is about 14990.8952034226. The cubic root of 224726939 is about 607.9740537101.

The spelling of 224726939 in words is "two hundred twenty-four million, seven hundred twenty-six thousand, nine hundred thirty-nine".