1223022300 has 36 divisors (see below), whose sum is σ = 3538612056. Its totient is φ = 326139200.

The previous prime is 1223022299. The next prime is 1223022341. The reversal of 1223022300 is 32203221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1223022300.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2038071 + ... + 2038670.

Almost surely, 2^1223022300 is an apocalyptic number.

1223022300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223022300 is an abundant number, since it is smaller than the sum of its proper divisors (2315589756).

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

1223022300 is a wasteful number, since it uses less digits than its factorization.

1223022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076758 (or 4076751 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1223022300 is about 34971.7357304438. The cubic root of 1223022300 is about 1069.4113570143.

Adding to 1223022300 its reverse (32203221), we get a palindrome (1255225521).

The spelling of 1223022300 in words is "one billion, two hundred twenty-three million, twenty-two thousand, three hundred".