22310022421 has 2 divisors, whose sum is σ = 22310022422. Its totient is φ = 22310022420.

The previous prime is 22310022323. The next prime is 22310022457. The reversal of 22310022421 is 12422001322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20904822225 + 1405200196 = 144585^2 + 37486^2 .

It is a cyclic number.

It is not a de Polignac number, because 22310022421 - 2¹⁷ = 22309891349 is a prime.

It is a super-3 number, since 3×22310022421³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22310022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155011210 + 11155011211.

It is an arithmetic number, because the mean of its divisors is an integer number (11155011211).

Almost surely, 2^22310022421 is an apocalyptic number.

It is an amenable number.

22310022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22310022421 is an equidigital number, since it uses as much as digits as its factorization.

22310022421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22310022421 its reverse (12422001322), we get a palindrome (34732023743).

The spelling of 22310022421 in words is "twenty-two billion, three hundred ten million, twenty-two thousand, four hundred twenty-one".