1223885276 has 12 divisors (see below), whose sum is σ = 2163005880. Its totient is φ = 605883600.

The previous prime is 1223885251. The next prime is 1223885281. The reversal of 1223885276 is 6725883221.

It is a congruent number.

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, 1514306 + ... + 1515113.

It is an arithmetic number, because the mean of its divisors is an integer number (180250490).

Almost surely, 2^1223885276 is an apocalyptic number.

It is an amenable number.

1223885276 is a deficient number, since it is larger than the sum of its proper divisors (939120604).

1223885276 is a wasteful number, since it uses less digits than its factorization.

1223885276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029524 (or 3029522 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 1223885276 is about 34984.0717470108. The cubic root of 1223885276 is about 1069.6628267700.

The spelling of 1223885276 in words is "one billion, two hundred twenty-three million, eight hundred eighty-five thousand, two hundred seventy-six".