1204222402 has 4 divisors (see below), whose sum is σ = 1806333606. Its totient is φ = 602111200.

The previous prime is 1204222399. The next prime is 1204222417. The reversal of 1204222402 is 2042224021.

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., 1204159401 + 63001 = 34701^2 + 251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1204222402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301055599 + ... + 301055602.

Almost surely, 2^1204222402 is an apocalyptic number.

1204222402 is a deficient number, since it is larger than the sum of its proper divisors (602111204).

1204222402 is an equidigital number, since it uses as much as digits as its factorization.

1204222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602111203.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1204222402 is about 34701.9077573554. The cubic root of 1204222402 is about 1063.9034911853.

Adding to 1204222402 its reverse (2042224021), we get a palindrome (3246446423).

The spelling of 1204222402 in words is "one billion, two hundred four million, two hundred twenty-two thousand, four hundred two".