44214321221 has 4 divisors (see below), whose sum is σ = 50530652832. Its totient is φ = 37897989612.

The previous prime is 44214321197. The next prime is 44214321223. The reversal of 44214321221 is 12212341244.

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.

It is not a de Polignac number, because 44214321221 - 2¹⁰ = 44214320197 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 (44214321223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158165795 + ... + 3158165808.

It is an arithmetic number, because the mean of its divisors is an integer number (12632663208).

Almost surely, 2^44214321221 is an apocalyptic number.

It is an amenable number.

44214321221 is a deficient number, since it is larger than the sum of its proper divisors (6316331611).

44214321221 is an equidigital number, since it uses as much as digits as its factorization.

44214321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316331610.

The product of its digits is 3072, while the sum is 26.

Adding to 44214321221 its reverse (12212341244), we get a palindrome (56426662465).

It can be divided in two parts, 442143 and 21221, that added together give a palindrome (463364).

The spelling of 44214321221 in words is "forty-four billion, two hundred fourteen million, three hundred twenty-one thousand, two hundred twenty-one".