222223131002 has 4 divisors (see below), whose sum is σ = 333334696506. Its totient is φ = 111111565500.

The previous prime is 222223131001. The next prime is 222223131017. The reversal of 222223131002 is 200131322222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 188469725161 + 33753405841 = 434131^2 + 183721^2 .

It is not an unprimeable number, because it can be changed into a prime (222223131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555782749 + ... + 55555782752.

Almost surely, 2^222223131002 is an apocalyptic number.

222223131002 is a deficient number, since it is larger than the sum of its proper divisors (111111565504).

222223131002 is a wasteful number, since it uses less digits than its factorization.

222223131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111565503.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222223131002 its reverse (200131322222), we get a palindrome (422354453224).

The spelling of 222223131002 in words is "two hundred twenty-two billion, two hundred twenty-three million, one hundred thirty-one thousand, two".