244081421 has 4 divisors (see below), whose sum is σ = 244153344. Its totient is φ = 244009500.

The previous prime is 244081417. The next prime is 244081423. The reversal of 244081421 is 124180442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124180442 = 2 ⋅62090221.

It is a cyclic number.

It is not a de Polignac number, because 244081421 - 2² = 244081417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244081423) 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 3 ways as a sum of consecutive naturals, for example, 30605 + ... + 37746.

It is an arithmetic number, because the mean of its divisors is an integer number (61038336).

Almost surely, 2^244081421 is an apocalyptic number.

It is an amenable number.

244081421 is a deficient number, since it is larger than the sum of its proper divisors (71923).

244081421 is an equidigital number, since it uses as much as digits as its factorization.

244081421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71922.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 244081421 is about 15623.1053571305. The cubic root of 244081421 is about 624.9494751690.

The spelling of 244081421 in words is "two hundred forty-four million, eighty-one thousand, four hundred twenty-one".