1223922304 has 64 divisors (see below), whose sum is σ = 2690107200. Its totient is φ = 550021120.

The previous prime is 1223922281. The next prime is 1223922313. The reversal of 1223922304 is 4032293221.

It is a tau number, because it is divible by the number of its divisors (64).

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, 120429 + ... + 130195.

It is an arithmetic number, because the mean of its divisors is an integer number (42032925).

Almost surely, 2^1223922304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223922304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345053600).

1223922304 is an abundant number, since it is smaller than the sum of its proper divisors (1466184896).

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

1223922304 is an equidigital number, since it uses as much as digits as its factorization.

1223922304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9869 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1223922304 is about 34984.6009552775. The cubic root of 1223922304 is about 1069.6736140218.

It can be divided in two parts, 12239 and 22304, that added together give a palindrome (34543).

The spelling of 1223922304 in words is "one billion, two hundred twenty-three million, nine hundred twenty-two thousand, three hundred four".