222151611563 has 16 divisors (see below), whose sum is σ = 254924651520. Its totient is φ = 189639390336.

The previous prime is 222151611529. The next prime is 222151611611. The reversal of 222151611563 is 365116151222.

222151611563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222151611563 - 2¹² = 222151607467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222151611763) 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 in 15 ways as a sum of consecutive naturals, for example, 1675406 + ... + 1803132.

It is an arithmetic number, because the mean of its divisors is an integer number (15932790720).

Almost surely, 2^222151611563 is an apocalyptic number.

222151611563 is a deficient number, since it is larger than the sum of its proper divisors (32773039957).

222151611563 is a wasteful number, since it uses less digits than its factorization.

222151611563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128746.

The product of its digits is 21600, while the sum is 35.

Adding to 222151611563 its reverse (365116151222), we get a palindrome (587267762785).

The spelling of 222151611563 in words is "two hundred twenty-two billion, one hundred fifty-one million, six hundred eleven thousand, five hundred sixty-three".