1223333320 has 32 divisors (see below), whose sum is σ = 3002728320. Its totient is φ = 444848320.

The previous prime is 1223333299. The next prime is 1223333341. The reversal of 1223333320 is 233333221.

It is an interprime number because it is at equal distance from previous prime (1223333299) and next prime (1223333341).

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

It is a junction number, because it is equal to n+sod(n) for n = 1223333291 and 1223333300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389712 + ... + 1390591.

It is an arithmetic number, because the mean of its divisors is an integer number (93835260).

Almost surely, 2^1223333320 is an apocalyptic number.

1223333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223333320 is an abundant number, since it is smaller than the sum of its proper divisors (1779395000).

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

1223333320 is a wasteful number, since it uses less digits than its factorization.

1223333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780325 (or 2780321 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 1223333320 is about 34976.1821815932. The cubic root of 1223333320 is about 1069.5020013495.

Adding to 1223333320 its reverse (233333221), we get a palindrome (1456666541).

Subtracting from 1223333320 its reverse (233333221), we obtain a palindrome (990000099).

It can be divided in two parts, 12 and 23333320, that added together give a palindrome (23333332).

The spelling of 1223333320 in words is "one billion, two hundred twenty-three million, three hundred thirty-three thousand, three hundred twenty".