4430220414421 has 2 divisors, whose sum is σ = 4430220414422. Its totient is φ = 4430220414420.

The previous prime is 4430220414391. The next prime is 4430220414427. The reversal of 4430220414421 is 1244140220344.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3537743430321 + 892476984100 = 1880889^2 + 944710^2 .

It is a cyclic number.

It is not a de Polignac number, because 4430220414421 - 2³³ = 4421630479829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4430220414427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215110207210 + 2215110207211.

It is an arithmetic number, because the mean of its divisors is an integer number (2215110207211).

Almost surely, 2^{4430220414421} is an apocalyptic number.

It is an amenable number.

4430220414421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430220414421 is an equidigital number, since it uses as much as digits as its factorization.

4430220414421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 4430220414421 its reverse (1244140220344), we get a palindrome (5674360634765).

The spelling of 4430220414421 in words is "four trillion, four hundred thirty billion, two hundred twenty million, four hundred fourteen thousand, four hundred twenty-one".