222001302131 has 8 divisors (see below), whose sum is σ = 258893647200. Its totient is φ = 190286830104.

The previous prime is 222001302059. The next prime is 222001302139. The reversal of 222001302131 is 131203100222.

222001302131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222001302131 - 2¹⁴ = 222001285747 is a prime.

It is a super-2 number, since 2×222001302131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222001302139) 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 7 ways as a sum of consecutive naturals, for example, 323616716 + ... + 323617401.

It is an arithmetic number, because the mean of its divisors is an integer number (32361705900).

Almost surely, 2^222001302131 is an apocalyptic number.

222001302131 is a deficient number, since it is larger than the sum of its proper divisors (36892345069).

222001302131 is an frugal number, since it uses more digits than its factorization.

222001302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647234138 (or 647234124 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222001302131 its reverse (131203100222), we get a palindrome (353204402353).

The spelling of 222001302131 in words is "two hundred twenty-two billion, one million, three hundred two thousand, one hundred thirty-one".