1223320576 has 33 divisors (see below), whose sum is σ = 2447685921. Its totient is φ = 611100672.

The previous prime is 1223320517. The next prime is 1223320583. The reversal of 1223320576 is 6750233221.

The square root of 1223320576 is 34976.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1205478400 + 17842176 = 34720^2 + 4224^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1118686 + ... + 1119778.

Almost surely, 2^1223320576 is an apocalyptic number.

1223320576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1223320576 is the 34976-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223320576

1223320576 is an abundant number, since it is smaller than the sum of its proper divisors (1224365345).

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

1223320576 is an frugal number, since it uses more digits than its factorization.

1223320576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The cubic root of 1223320576 is about 1069.4982875127.

Adding to 1223320576 its reverse (6750233221), we get a palindrome (7973553797).

The spelling of 1223320576 in words is "one billion, two hundred twenty-three million, three hundred twenty thousand, five hundred seventy-six".