22322412421 has 2 divisors, whose sum is σ = 22322412422. Its totient is φ = 22322412420.

The previous prime is 22322412419. The next prime is 22322412461. The reversal of 22322412421 is 12421422322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18910100196 + 3412312225 = 137514^2 + 58415^2 .

It is a cyclic number.

It is not a de Polignac number, because 22322412421 - 2¹ = 22322412419 is a prime.

It is a super-3 number, since 3×22322412421³ (a number of 32 digits) contains 333 as substring.

Together with 22322412419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22322412401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161206210 + 11161206211.

It is an arithmetic number, because the mean of its divisors is an integer number (11161206211).

Almost surely, 2^22322412421 is an apocalyptic number.

It is an amenable number.

22322412421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22322412421 is an equidigital number, since it uses as much as digits as its factorization.

22322412421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 25.

Adding to 22322412421 its reverse (12421422322), we get a palindrome (34743834743).

Subtracting from 22322412421 its reverse (12421422322), we obtain a palindrome (9900990099).

The spelling of 22322412421 in words is "twenty-two billion, three hundred twenty-two million, four hundred twelve thousand, four hundred twenty-one".