102222002 has 8 divisors (see below), whose sum is σ = 154452636. Its totient is φ = 50737792.

The previous prime is 102221989. The next prime is 102222023. The reversal of 102222002 is 200222201.

It can be written as a sum of positive squares in 2 ways, for example, as 91795561 + 10426441 = 9581^2 + 3229^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186263 + ... + 186810.

Almost surely, 2^102222002 is an apocalyptic number.

102222002 is a deficient number, since it is larger than the sum of its proper divisors (52230634).

102222002 is a wasteful number, since it uses less digits than its factorization.

102222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373212.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 102222002 is about 10110.4897012954. The cubic root of 102222002 is about 467.5716031289.

Adding to 102222002 its reverse (200222201), we get a palindrome (302444203).

The spelling of 102222002 in words is "one hundred two million, two hundred twenty-two thousand, two".