1244442324221 has 8 divisors (see below), whose sum is σ = 1244919817344. Its totient is φ = 1243964917440.

The previous prime is 1244442324199. The next prime is 1244442324233. The reversal of 1244442324221 is 1224232444421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244442324221 - 2²² = 1244438129917 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 (1244442324821) 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, 45392300 + ... + 45419706.

It is an arithmetic number, because the mean of its divisors is an integer number (155614977168).

Almost surely, 2^{1244442324221} is an apocalyptic number.

It is an amenable number.

1244442324221 is a deficient number, since it is larger than the sum of its proper divisors (477493123).

1244442324221 is a wasteful number, since it uses less digits than its factorization.

1244442324221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43171.

The product of its digits is 98304, while the sum is 35.

Adding to 1244442324221 its reverse (1224232444421), we get a palindrome (2468674768642).

The spelling of 1244442324221 in words is "one trillion, two hundred forty-four billion, four hundred forty-two million, three hundred twenty-four thousand, two hundred twenty-one".