244444442 has 48 divisors (see below), whose sum is σ = 415607976. Its totient is φ = 107712000.

The previous prime is 244444433. The next prime is 244444457.

244444442 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 244328161 + 116281 = 15631^2 + 341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244444399 and 244444408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1784198 + ... + 1784334.

Almost surely, 2^244444442 is an apocalyptic number.

244444442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

244444442 is a deficient number, since it is larger than the sum of its proper divisors (171163534).

244444442 is a wasteful number, since it uses less digits than its factorization.

244444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 324 counting only the distinct ones).

The product of its digits is 65536, while the sum is 32.

The square root of 244444442 is about 15634.7191212378. The cubic root of 244444442 is about 625.2591497048.

It can be divided in two parts, 2 and 44444442, that added together give a palindrome (44444444).

The spelling of 244444442 in words is "two hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".