1222200304 has 40 divisors (see below), whose sum is σ = 2554249712. Its totient is φ = 563189760.

The previous prime is 1222200257. The next prime is 1222200311. The reversal of 1222200304 is 4030022221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135619 + ... + 144349.

Almost surely, 2^1222200304 is an apocalyptic number.

It is an amenable number.

1222200304 is an abundant number, since it is smaller than the sum of its proper divisors (1332049408).

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

1222200304 is a wasteful number, since it uses less digits than its factorization.

1222200304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425 (or 9419 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1222200304 is about 34959.9814645260. The cubic root of 1222200304 is about 1069.1717187377.

Adding to 1222200304 its reverse (4030022221), we get a palindrome (5252222525).

The spelling of 1222200304 in words is "one billion, two hundred twenty-two million, two hundred thousand, three hundred four".