22214102532421 has 2 divisors, whose sum is σ = 22214102532422. Its totient is φ = 22214102532420.

The previous prime is 22214102532343. The next prime is 22214102532443. The reversal of 22214102532421 is 12423520141222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12405618109921 + 9808484422500 = 3522161^2 + 3131850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22214102532421 is a prime.

It is a super-2 number, since 2×22214102532421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22214102532451) 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, 11107051266210 + 11107051266211.

It is an arithmetic number, because the mean of its divisors is an integer number (11107051266211).

Almost surely, 2^{22214102532421} is an apocalyptic number.

It is an amenable number.

22214102532421 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214102532421 is an equidigital number, since it uses as much as digits as its factorization.

22214102532421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 22214102532421 its reverse (12423520141222), we get a palindrome (34637622673643).

The spelling of 22214102532421 in words is "twenty-two trillion, two hundred fourteen billion, one hundred two million, five hundred thirty-two thousand, four hundred twenty-one".