239224445 has 6 divisors (see below), whose sum is σ = 287110842. Its totient is φ = 191351888.

The previous prime is 239224441. The next prime is 239224477. The reversal of 239224445 is 544422932.

239224445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 49308484 + 189915961 = 7022^2 + 13781^2 .

It is not a de Polignac number, because 239224445 - 2² = 239224441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239224441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31127 + ... + 38043.

It is an arithmetic number, because the mean of its divisors is an integer number (47851807).

Almost surely, 2^239224445 is an apocalyptic number.

It is an amenable number.

239224445 is a deficient number, since it is larger than the sum of its proper divisors (47886397).

239224445 is an frugal number, since it uses more digits than its factorization.

239224445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839 (or 6922 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 239224445 is about 15466.8822003660. The cubic root of 239224445 is about 620.7763817053.

The spelling of 239224445 in words is "two hundred thirty-nine million, two hundred twenty-four thousand, four hundred forty-five".