244222121 has 16 divisors (see below), whose sum is σ = 289130688. Its totient is φ = 203361600.

The previous prime is 244222109. The next prime is 244222127. The reversal of 244222121 is 121222442.

It is not a de Polignac number, because 244222121 - 2⁶ = 244222057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244222093 and 244222102.

It is not an unprimeable number, because it can be changed into a prime (244222127) 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 15 ways as a sum of consecutive naturals, for example, 12215 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (18070668).

Almost surely, 2^244222121 is an apocalyptic number.

It is an amenable number.

244222121 is a deficient number, since it is larger than the sum of its proper divisors (44908567).

244222121 is a wasteful number, since it uses less digits than its factorization.

244222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192.

The product of its digits is 512, while the sum is 20.

The square root of 244222121 is about 15627.6076544044. The cubic root of 244222121 is about 625.0695355167.

Adding to 244222121 its reverse (121222442), we get a palindrome (365444563).

The spelling of 244222121 in words is "two hundred forty-four million, two hundred twenty-two thousand, one hundred twenty-one".