1222553223 has 16 divisors (see below), whose sum is σ = 1860142560. Its totient is φ = 793006848.

The previous prime is 1222553197. The next prime is 1222553239. The reversal of 1222553223 is 3223552221.

1222553223 is a `hidden beast` number, since 122 + 2 + 5 + 532 + 2 + 3 = 666.

It is not a de Polignac number, because 1222553223 - 2⁶ = 1222553159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222553723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610890 + ... + 612887.

It is an arithmetic number, because the mean of its divisors is an integer number (116258910).

Almost surely, 2^1222553223 is an apocalyptic number.

1222553223 is a deficient number, since it is larger than the sum of its proper divisors (637589337).

1222553223 is a wasteful number, since it uses less digits than its factorization.

1222553223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223823 (or 1223817 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 1222553223 is about 34965.0285714169. The cubic root of 1222553223 is about 1069.2746191377.

The spelling of 1222553223 in words is "one billion, two hundred twenty-two million, five hundred fifty-three thousand, two hundred twenty-three".