1223331204 has 12 divisors (see below), whose sum is σ = 2854439504. Its totient is φ = 407777064.

The previous prime is 1223331173. The next prime is 1223331211. The reversal of 1223331204 is 4021333221.

It is a tau number, because it is divible by the number of its divisors (12).

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, 50972122 + ... + 50972145.

Almost surely, 2^1223331204 is an apocalyptic number.

It is an amenable number.

1223331204 is an abundant number, since it is smaller than the sum of its proper divisors (1631108300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223331204 is a wasteful number, since it uses less digits than its factorization.

1223331204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101944274 (or 101944272 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1223331204 is about 34976.1519324239. The cubic root of 1223331204 is about 1069.5013847098.

Adding to 1223331204 its reverse (4021333221), we get a palindrome (5244664425).

The spelling of 1223331204 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred four".