1222230204 has 36 divisors (see below), whose sum is σ = 3327183496. Its totient is φ = 376070688.

The previous prime is 1222230203. The next prime is 1222230209. The reversal of 1222230204 is 4020322221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1222230204³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222230203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1305334 + ... + 1306269.

Almost surely, 2^1222230204 is an apocalyptic number.

It is an amenable number.

1222230204 is an abundant number, since it is smaller than the sum of its proper divisors (2104953292).

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

1222230204 is a wasteful number, since it uses less digits than its factorization.

1222230204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611626 (or 2611621 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1222230204 is about 34960.4090937163. The cubic root of 1222230204 is about 1069.1804374323.

Adding to 1222230204 its reverse (4020322221), we get a palindrome (5242552425).

The spelling of 1222230204 in words is "one billion, two hundred twenty-two million, two hundred thirty thousand, two hundred four".