1223404064 has 24 divisors (see below), whose sum is σ = 2437601040. Its totient is φ = 604330816.

The previous prime is 1223404037. The next prime is 1223404073. The reversal of 1223404064 is 4604043221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227654 + ... + 232965.

It is an arithmetic number, because the mean of its divisors is an integer number (101566710).

Almost surely, 2^1223404064 is an apocalyptic number.

It is an amenable number.

1223404064 is a deficient number, since it is larger than the sum of its proper divisors (1214196976).

1223404064 is an equidigital number, since it uses as much as digits as its factorization.

1223404064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460712 (or 460704 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1223404064 is about 34977.1934837545. The cubic root of 1223404064 is about 1069.5226169876.

Adding to 1223404064 its reverse (4604043221), we get a palindrome (5827447285).

The spelling of 1223404064 in words is "one billion, two hundred twenty-three million, four hundred four thousand, sixty-four".