1222434155204 has 6 divisors (see below), whose sum is σ = 2139259771614. Its totient is φ = 611217077600.

The previous prime is 1222434155183. The next prime is 1222434155209. The reversal of 1222434155204 is 4025514342221.

It can be written as a sum of positive squares in only one way, i.e., 1169166438400 + 53267716804 = 1081280^2 + 230798^2 .

It is not an unprimeable number, because it can be changed into a prime (1222434155209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152804269397 + ... + 152804269404.

It is an arithmetic number, because the mean of its divisors is an integer number (356543295269).

Almost surely, 2^{1222434155204} is an apocalyptic number.

It is an amenable number.

1222434155204 is a deficient number, since it is larger than the sum of its proper divisors (916825616410).

1222434155204 is a wasteful number, since it uses less digits than its factorization.

1222434155204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305608538805 (or 305608538803 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1222434155204 its reverse (4025514342221), we get a palindrome (5247948497425).

The spelling of 1222434155204 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-four million, one hundred fifty-five thousand, two hundred four".