1223500036 has 24 divisors (see below), whose sum is σ = 2346081696. Its totient is φ = 553681920.

The previous prime is 1223500021. The next prime is 1223500067. The reversal of 1223500036 is 6300053221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51261 + ... + 71236.

It is an arithmetic number, because the mean of its divisors is an integer number (97753404).

Almost surely, 2^1223500036 is an apocalyptic number.

It is an amenable number.

1223500036 is a deficient number, since it is larger than the sum of its proper divisors (1122581660).

1223500036 is a wasteful number, since it uses less digits than its factorization.

1223500036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122739 (or 122737 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1223500036 is about 34978.5653793863. The cubic root of 1223500036 is about 1069.5505830929.

Adding to 1223500036 its reverse (6300053221), we get a palindrome (7523553257).

The spelling of 1223500036 in words is "one billion, two hundred twenty-three million, five hundred thousand, thirty-six".