4122422332421 has 2 divisors, whose sum is σ = 4122422332422. Its totient is φ = 4122422332420.

The previous prime is 4122422332337. The next prime is 4122422332429. The reversal of 4122422332421 is 1242332242214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2303835229921 + 1818587102500 = 1517839^2 + 1348550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122422332421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4122422332429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061211166210 + 2061211166211.

It is an arithmetic number, because the mean of its divisors is an integer number (2061211166211).

Almost surely, 2^{4122422332421} is an apocalyptic number.

It is an amenable number.

4122422332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122422332421 is an equidigital number, since it uses as much as digits as its factorization.

4122422332421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 32.

Adding to 4122422332421 its reverse (1242332242214), we get a palindrome (5364754574635).

The spelling of 4122422332421 in words is "four trillion, one hundred twenty-two billion, four hundred twenty-two million, three hundred thirty-two thousand, four hundred twenty-one".