1223334564 has 12 divisors (see below), whose sum is σ = 2854447344. Its totient is φ = 407778184.

The previous prime is 1223334547. The next prime is 1223334583. The reversal of 1223334564 is 4654333221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50972262 + ... + 50972285.

It is an arithmetic number, because the mean of its divisors is an integer number (237870612).

Almost surely, 2^1223334564 is an apocalyptic number.

It is an amenable number.

1223334564 is an abundant number, since it is smaller than the sum of its proper divisors (1631112780).

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

1223334564 is a wasteful number, since it uses less digits than its factorization.

1223334564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101944554 (or 101944552 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 1223334564 is about 34976.1999651191. The cubic root of 1223334564 is about 1069.5023638726.

Adding to 1223334564 its reverse (4654333221), we get a palindrome (5877667785).

The spelling of 1223334564 in words is "one billion, two hundred twenty-three million, three hundred thirty-four thousand, five hundred sixty-four".