244420133 has 8 divisors (see below), whose sum is σ = 250181568. Its totient is φ = 238724064.

The previous prime is 244420129. The next prime is 244420139. The reversal of 244420133 is 331024442.

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 244420133 - 2² = 244420129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244420099 and 244420108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244420139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8735 + ... + 23772.

It is an arithmetic number, because the mean of its divisors is an integer number (31272696).

Almost surely, 2^244420133 is an apocalyptic number.

It is an amenable number.

244420133 is a deficient number, since it is larger than the sum of its proper divisors (5761435).

244420133 is a wasteful number, since it uses less digits than its factorization.

244420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32683.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 244420133 is about 15633.9416974735. The cubic root of 244420133 is about 625.2384225293.

Adding to 244420133 its reverse (331024442), we get a palindrome (575444575).

The spelling of 244420133 in words is "two hundred forty-four million, four hundred twenty thousand, one hundred thirty-three".