244133421 has 8 divisors (see below), whose sum is σ = 372012864. Its totient is φ = 139504800.

The previous prime is 244133419. The next prime is 244133441. The reversal of 244133421 is 124331442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244133421 - 2¹ = 244133419 is a prime.

It is a super-2 number, since 2×244133421² = 119202254498326482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244133391 and 244133400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244133411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5812680 + ... + 5812721.

It is an arithmetic number, because the mean of its divisors is an integer number (46501608).

Almost surely, 2^244133421 is an apocalyptic number.

244133421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244133421 is a deficient number, since it is larger than the sum of its proper divisors (127879443).

244133421 is a wasteful number, since it uses less digits than its factorization.

244133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625411.

The product of its digits is 2304, while the sum is 24.

The square root of 244133421 is about 15624.7694702994. The cubic root of 244133421 is about 624.9938525262.

Adding to 244133421 its reverse (124331442), we get a palindrome (368464863).

The spelling of 244133421 in words is "two hundred forty-four million, one hundred thirty-three thousand, four hundred twenty-one".