214342221555 has 192 divisors, whose sum is σ = 476836558848. Its totient is φ = 86466631680.

The previous prime is 214342221551. The next prime is 214342221593. The reversal of 214342221555 is 555122243412.

214342221555 is a `hidden beast` number, since 2 + 1 + 43 + 42 + 2 + 21 + 555 = 666.

It is not a de Polignac number, because 214342221555 - 2² = 214342221551 is a prime.

It is a super-2 number, since 2×214342221555² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214342221551) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 62434119 + ... + 62437551.

It is an arithmetic number, because the mean of its divisors is an integer number (2483523744).

Almost surely, 2^214342221555 is an apocalyptic number.

214342221555 is an abundant number, since it is smaller than the sum of its proper divisors (262494337293).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214342221555 is a wasteful number, since it uses less digits than its factorization.

214342221555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3983 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 214342221555 its reverse (555122243412), we get a palindrome (769464464967).

The spelling of 214342221555 in words is "two hundred fourteen billion, three hundred forty-two million, two hundred twenty-one thousand, five hundred fifty-five".