244204222213 has 12 divisors (see below), whose sum is σ = 284249638092. Its totient is φ = 209188707840.

The previous prime is 244204222189. The next prime is 244204222231. The reversal of 244204222213 is 312222402442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132017408964 + 112186813249 = 363342^2 + 334943^2 .

It is a de Polignac number, because none of the positive numbers 2^k-244204222213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244204222813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1457820 + ... + 1616677.

It is an arithmetic number, because the mean of its divisors is an integer number (23687469841).

Almost surely, 2^244204222213 is an apocalyptic number.

It is an amenable number.

244204222213 is a deficient number, since it is larger than the sum of its proper divisors (40045415879).

244204222213 is a wasteful number, since it uses less digits than its factorization.

244204222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076132 (or 3076125 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 244204222213 its reverse (312222402442), we get a palindrome (556426624655).

The spelling of 244204222213 in words is "two hundred forty-four billion, two hundred four million, two hundred twenty-two thousand, two hundred thirteen".