222152440402 has 8 divisors (see below), whose sum is σ = 334955234556. Its totient is φ = 110500695552.

The previous prime is 222152440399. The next prime is 222152440403. The reversal of 222152440402 is 204044251222.

It is a happy number.

222152440402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209014466761 + 13137973641 = 457181^2 + 114621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222152440403) 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 3 ways as a sum of consecutive naturals, for example, 287761843 + ... + 287762614.

Almost surely, 2^222152440402 is an apocalyptic number.

222152440402 is a deficient number, since it is larger than the sum of its proper divisors (112802794154).

222152440402 is a wasteful number, since it uses less digits than its factorization.

222152440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575524652.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 222152440402 its reverse (204044251222), we get a palindrome (426196691624).

The spelling of 222152440402 in words is "two hundred twenty-two billion, one hundred fifty-two million, four hundred forty thousand, four hundred two".