222143131340331 has 32 divisors (see below), whose sum is σ = 314927199797760. Its totient is φ = 138995645817600.

The previous prime is 222143131340297. The next prime is 222143131340447. The reversal of 222143131340331 is 133043131341222.

It is not a de Polignac number, because 222143131340331 - 2⁶ = 222143131340267 is a prime.

It is a super-2 number, since 2×222143131340331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222143131340292 and 222143131340301.

It is not an unprimeable number, because it can be changed into a prime (222143131340131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137263360 + ... + 138872301.

It is an arithmetic number, because the mean of its divisors is an integer number (9841474993680).

Almost surely, 2^{222143131340331} is an apocalyptic number.

222143131340331 is a deficient number, since it is larger than the sum of its proper divisors (92784068457429).

222143131340331 is a wasteful number, since it uses less digits than its factorization.

222143131340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276135907.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 222143131340331 its reverse (133043131341222), we get a palindrome (355186262681553).

The spelling of 222143131340331 in words is "two hundred twenty-two trillion, one hundred forty-three billion, one hundred thirty-one million, three hundred forty thousand, three hundred thirty-one".