1222150204 has 12 divisors (see below), whose sum is σ = 2333195928. Its totient is φ = 555522800.

The previous prime is 1222150151. The next prime is 1222150207. The reversal of 1222150204 is 4020512221.

It is a super-2 number, since 2×1222150204² = 2987302242274483232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222150207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13888027 + ... + 13888114.

It is an arithmetic number, because the mean of its divisors is an integer number (194432994).

Almost surely, 2^1222150204 is an apocalyptic number.

It is an amenable number.

1222150204 is a deficient number, since it is larger than the sum of its proper divisors (1111045724).

1222150204 is a wasteful number, since it uses less digits than its factorization.

1222150204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27776156 (or 27776154 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1222150204 is about 34959.2649236222. The cubic root of 1222150204 is about 1069.1571095025.

Adding to 1222150204 its reverse (4020512221), we get a palindrome (5242662425).

The spelling of 1222150204 in words is "one billion, two hundred twenty-two million, one hundred fifty thousand, two hundred four".