244721252 has 12 divisors (see below), whose sum is σ = 434654640. Its totient is φ = 120534216.

The previous prime is 244721249. The next prime is 244721261. The reversal of 244721252 is 252127442.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 456302 + ... + 456837.

It is an arithmetic number, because the mean of its divisors is an integer number (36221220).

Almost surely, 2^244721252 is an apocalyptic number.

It is an amenable number.

244721252 is a deficient number, since it is larger than the sum of its proper divisors (189933388).

244721252 is a wasteful number, since it uses less digits than its factorization.

244721252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913210 (or 913208 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 244721252 is about 15643.5690301159. The cubic root of 244721252 is about 625.4950761092.

Adding to 244721252 its reverse (252127442), we get a palindrome (496848694).

The spelling of 244721252 in words is "two hundred forty-four million, seven hundred twenty-one thousand, two hundred fifty-two".