248722399 has 8 divisors (see below), whose sum is σ = 255646368. Its totient is φ = 241809120.

The previous prime is 248722367. The next prime is 248722403. The reversal of 248722399 is 993227842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248722399 - 2⁵ = 248722367 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 (248722349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75609 + ... + 78829.

It is an arithmetic number, because the mean of its divisors is an integer number (31955796).

Almost surely, 2^248722399 is an apocalyptic number.

248722399 is a deficient number, since it is larger than the sum of its proper divisors (6923969).

248722399 is a wasteful number, since it uses less digits than its factorization.

248722399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345.

The product of its digits is 435456, while the sum is 46.

The square root of 248722399 is about 15770.9352607891. The cubic root of 248722399 is about 628.8855741227.

The spelling of 248722399 in words is "two hundred forty-eight million, seven hundred twenty-two thousand, three hundred ninety-nine".