4044234122221 has 2 divisors, whose sum is σ = 4044234122222. Its totient is φ = 4044234122220.

The previous prime is 4044234122119. The next prime is 4044234122273. The reversal of 4044234122221 is 1222214324404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3277497468996 + 766736653225 = 1810386^2 + 875635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044234122221 - 2⁴¹ = 1845210866669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044234122321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022117061110 + 2022117061111.

It is an arithmetic number, because the mean of its divisors is an integer number (2022117061111).

Almost surely, 2^{4044234122221} is an apocalyptic number.

It is an amenable number.

4044234122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044234122221 is an equidigital number, since it uses as much as digits as its factorization.

4044234122221 is an evil number, because the sum of its binary digits is even.

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

Adding to 4044234122221 its reverse (1222214324404), we get a palindrome (5266448446625).

The spelling of 4044234122221 in words is "four trillion, forty-four billion, two hundred thirty-four million, one hundred twenty-two thousand, two hundred twenty-one".