22214514420221 has 2 divisors, whose sum is σ = 22214514420222. Its totient is φ = 22214514420220.

The previous prime is 22214514420181. The next prime is 22214514420251. The reversal of 22214514420221 is 12202441541222.

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., 13107216511321 + 9107297908900 = 3620389^2 + 3017830^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214514420221 - 2⁴² = 17816467909117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22214514420251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107257210110 + 11107257210111.

It is an arithmetic number, because the mean of its divisors is an integer number (11107257210111).

Almost surely, 2^{22214514420221} is an apocalyptic number.

It is an amenable number.

22214514420221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214514420221 is an equidigital number, since it uses as much as digits as its factorization.

22214514420221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 22214514420221 its reverse (12202441541222), we get a palindrome (34416955961443).

The spelling of 22214514420221 in words is "twenty-two trillion, two hundred fourteen billion, five hundred fourteen million, four hundred twenty thousand, two hundred twenty-one".