344402044100221 has 8 divisors (see below), whose sum is σ = 344964536134400. Its totient is φ = 343839571768800.

The previous prime is 344402044100123. The next prime is 344402044100227. The reversal of 344402044100221 is 122001440204443.

It is a happy number.

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 344402044100221 - 2¹⁵ = 344402044067453 is a prime.

It is a super-2 number, since 2×344402044100221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344402044100227) 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, 30267796 + ... + 40061746.

It is an arithmetic number, because the mean of its divisors is an integer number (43120567016800).

Almost surely, 2^{344402044100221} is an apocalyptic number.

It is an amenable number.

344402044100221 is a deficient number, since it is larger than the sum of its proper divisors (562492034179).

344402044100221 is an equidigital number, since it uses as much as digits as its factorization.

344402044100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9851379.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 344402044100221 its reverse (122001440204443), we get a palindrome (466403484304664).

The spelling of 344402044100221 in words is "three hundred forty-four trillion, four hundred two billion, forty-four million, one hundred thousand, two hundred twenty-one".