1223582064 has 120 divisors (see below), whose sum is σ = 3361316112. Its totient is φ = 383477760.

The previous prime is 1223582053. The next prime is 1223582093. The reversal of 1223582064 is 4602853221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4175902 + ... + 4176194.

Almost surely, 2^1223582064 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 1223582064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680658056).

1223582064 is an abundant number, since it is smaller than the sum of its proper divisors (2137734048).

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

1223582064 is a wasteful number, since it uses less digits than its factorization.

1223582064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1223582064 is about 34979.7379063938. The cubic root of 1223582064 is about 1069.5744847772.

The spelling of 1223582064 in words is "one billion, two hundred twenty-three million, five hundred eighty-two thousand, sixty-four".