222216369255 has 12 divisors (see below), whose sum is σ = 385175040120. Its totient is φ = 118515396912.

The previous prime is 222216369251. The next prime is 222216369281. The reversal of 222216369255 is 552963612222.

222216369255 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 1 + 636 + 9 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 222216369255 - 2² = 222216369251 is a prime.

It is a super-2 number, since 2×222216369255² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4938141539 = 222216369255 / (2 + 2 + 2 + 2 + 1 + 6 + 3 + 6 + 9 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 222216369255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222216369251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2469070725 + ... + 2469070814.

It is an arithmetic number, because the mean of its divisors is an integer number (32097920010).

Almost surely, 2^222216369255 is an apocalyptic number.

222216369255 is a deficient number, since it is larger than the sum of its proper divisors (162958670865).

222216369255 is a wasteful number, since it uses less digits than its factorization.

222216369255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938141550 (or 4938141547 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 222216369255 in words is "two hundred twenty-two billion, two hundred sixteen million, three hundred sixty-nine thousand, two hundred fifty-five".