1223322340 has 24 divisors (see below), whose sum is σ = 2570497272. Its totient is φ = 489039360.

The previous prime is 1223322323. The next prime is 1223322421. The reversal of 1223322340 is 432233221.

It can be written as a sum of positive squares in 4 ways, for example, as 438986304 + 784336036 = 20952^2 + 28006^2 .

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, 18330 + ... + 52750.

It is an arithmetic number, because the mean of its divisors is an integer number (107104053).

Almost surely, 2^1223322340 is an apocalyptic number.

1223322340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223322340 is an abundant number, since it is smaller than the sum of its proper divisors (1347174932).

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

1223322340 is a wasteful number, since it uses less digits than its factorization.

1223322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36207 (or 36205 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1223322340 is about 34976.0252172828. The cubic root of 1223322340 is about 1069.4988015764.

Adding to 1223322340 its reverse (432233221), we get a palindrome (1655555561).

The spelling of 1223322340 in words is "one billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred forty".