1202223122 has 4 divisors (see below), whose sum is σ = 1803334686. Its totient is φ = 601111560.

The previous prime is 1202223103. The next prime is 1202223151. The reversal of 1202223122 is 2213222021.

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., 1161378241 + 40844881 = 34079^2 + 6391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202223122.

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 as a sum of consecutive naturals, namely, 300555779 + ... + 300555782.

Almost surely, 2^1202223122 is an apocalyptic number.

1202223122 is a deficient number, since it is larger than the sum of its proper divisors (601111564).

1202223122 is an equidigital number, since it uses as much as digits as its factorization.

1202223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601111563.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1202223122 is about 34673.0893056849. The cubic root of 1202223122 is about 1063.3143920351.

Adding to 1202223122 its reverse (2213222021), we get a palindrome (3415445143).

The spelling of 1202223122 in words is "one billion, two hundred two million, two hundred twenty-three thousand, one hundred twenty-two".