222214111203421 has 2 divisors, whose sum is σ = 222214111203422. Its totient is φ = 222214111203420.

The previous prime is 222214111203391. The next prime is 222214111203541. The reversal of 222214111203421 is 124302111412222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179035478811396 + 43178632392025 = 13380414^2 + 6571045^2 .

It is a cyclic number.

It is not a de Polignac number, because 222214111203421 - 2⁵ = 222214111203389 is a prime.

It is a super-2 number, since 2×222214111203421² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222214111203421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222214111201421) 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, 111107055601710 + 111107055601711.

It is an arithmetic number, because the mean of its divisors is an integer number (111107055601711).

Almost surely, 2^{222214111203421} is an apocalyptic number.

It is an amenable number.

222214111203421 is a deficient number, since it is larger than the sum of its proper divisors (1).

222214111203421 is an equidigital number, since it uses as much as digits as its factorization.

222214111203421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 222214111203421 its reverse (124302111412222), we get a palindrome (346516222615643).

The spelling of 222214111203421 in words is "two hundred twenty-two trillion, two hundred fourteen billion, one hundred eleven million, two hundred three thousand, four hundred twenty-one".