1223946624 has 128 divisors (see below), whose sum is σ = 3392928000. Its totient is φ = 390440960.

The previous prime is 1223946613. The next prime is 1223946641. The reversal of 1223946624 is 4266493221.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458397 + ... + 1459235.

It is an arithmetic number, because the mean of its divisors is an integer number (26507250).

Almost surely, 2^1223946624 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 1223946624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696464000).

1223946624 is an abundant number, since it is smaller than the sum of its proper divisors (2168981376).

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

1223946624 is a wasteful number, since it uses less digits than its factorization.

1223946624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1004 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 1223946624 is about 34984.9485350486. The cubic root of 1223946624 is about 1069.6806989731.

The spelling of 1223946624 in words is "one billion, two hundred twenty-three million, nine hundred forty-six thousand, six hundred twenty-four".