214551222155437 has 2 divisors, whose sum is σ = 214551222155438. Its totient is φ = 214551222155436.

The previous prime is 214551222155407. The next prime is 214551222155497. The reversal of 214551222155437 is 734551222155412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203992062891241 + 10559159264196 = 14282579^2 + 3249486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214551222155437 is a prime.

It is a super-2 number, since 2×214551222155437² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214551222155407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107275611077718 + 107275611077719.

It is an arithmetic number, because the mean of its divisors is an integer number (107275611077719).

Almost surely, 2^{214551222155437} is an apocalyptic number.

It is an amenable number.

214551222155437 is a deficient number, since it is larger than the sum of its proper divisors (1).

214551222155437 is an equidigital number, since it uses as much as digits as its factorization.

214551222155437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360000, while the sum is 49.

The spelling of 214551222155437 in words is "two hundred fourteen trillion, five hundred fifty-one billion, two hundred twenty-two million, one hundred fifty-five thousand, four hundred thirty-seven".