244426 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 89856.

The previous prime is 244423. The next prime is 244429. The reversal of 244426 is 624442.

It is an interprime number because it is at equal distance from previous prime (244423) and next prime (244429).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 244397 and 244406.

It is not an unprimeable number, because it can be changed into a prime (244423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3055 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²⁴⁴⁴²⁶ is an apocalyptic number.

244426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

244426 is a deficient number, since it is larger than the sum of its proper divisors (239414).

244426 is a wasteful number, since it uses less digits than its factorization.

244426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118.

The product of its digits is 1536, while the sum is 22.

The square root of 244426 is about 494.3945792583. The cubic root of 244426 is about 62.5243425178.

Adding to 244426 its reverse (624442), we get a palindrome (868868).

The spelling of 244426 in words is "two hundred forty-four thousand, four hundred twenty-six".