2236864668 has 12 divisors (see below), whose sum is σ = 5219350920. Its totient is φ = 745621552.

The previous prime is 2236864657. The next prime is 2236864673. The reversal of 2236864668 is 8664686322.

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

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2236864668.

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, 93202683 + ... + 93202706.

It is an arithmetic number, because the mean of its divisors is an integer number (434945910).

Almost surely, 2^2236864668 is an apocalyptic number.

It is an amenable number.

2236864668 is an abundant number, since it is smaller than the sum of its proper divisors (2982486252).

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

2236864668 is a wasteful number, since it uses less digits than its factorization.

2236864668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186405396 (or 186405394 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The square root of 2236864668 is about 47295.5036763538. The cubic root of 2236864668 is about 1307.8157700482.

The spelling of 2236864668 in words is "two billion, two hundred thirty-six million, eight hundred sixty-four thousand, six hundred sixty-eight".