225223440439 has 2 divisors, whose sum is σ = 225223440440. Its totient is φ = 225223440438.

The previous prime is 225223440437. The next prime is 225223440487. The reversal of 225223440439 is 934044322522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225223440439 - 2¹ = 225223440437 is a prime.

Together with 225223440437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225223440433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112611720219 + 112611720220.

It is an arithmetic number, because the mean of its divisors is an integer number (112611720220).

Almost surely, 2^225223440439 is an apocalyptic number.

225223440439 is a deficient number, since it is larger than the sum of its proper divisors (1).

225223440439 is an equidigital number, since it uses as much as digits as its factorization.

225223440439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 225223440439 in words is "two hundred twenty-five billion, two hundred twenty-three million, four hundred forty thousand, four hundred thirty-nine".