215222041255 has 8 divisors (see below), whose sum is σ = 278133099552. Its totient is φ = 158933199648.

The previous prime is 215222041253. The next prime is 215222041273. The reversal of 215222041255 is 552140222512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215222041255 - 2¹ = 215222041253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215222041253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655554099 + ... + 1655554228.

It is an arithmetic number, because the mean of its divisors is an integer number (34766637444).

Almost surely, 2^215222041255 is an apocalyptic number.

215222041255 is a deficient number, since it is larger than the sum of its proper divisors (62911058297).

215222041255 is a wasteful number, since it uses less digits than its factorization.

215222041255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311108345.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 215222041255 its reverse (552140222512), we get a palindrome (767362263767).

The spelling of 215222041255 in words is "two hundred fifteen billion, two hundred twenty-two million, forty-one thousand, two hundred fifty-five".