1222403204 has 12 divisors (see below), whose sum is σ = 2333678928. Its totient is φ = 555637800.

The previous prime is 1222403179. The next prime is 1222403219. The reversal of 1222403204 is 4023042221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13890902 + ... + 13890989.

It is an arithmetic number, because the mean of its divisors is an integer number (194473244).

Almost surely, 2^1222403204 is an apocalyptic number.

It is an amenable number.

1222403204 is a deficient number, since it is larger than the sum of its proper divisors (1111275724).

1222403204 is a wasteful number, since it uses less digits than its factorization.

1222403204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27781906 (or 27781904 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1222403204 is about 34962.8832335092. The cubic root of 1222403204 is about 1069.2308805999.

Adding to 1222403204 its reverse (4023042221), we get a palindrome (5245445425).

The spelling of 1222403204 in words is "one billion, two hundred twenty-two million, four hundred three thousand, two hundred four".