2236621968 has 60 divisors (see below), whose sum is σ = 7153643328. Its totient is φ = 639034560.

The previous prime is 2236621957. The next prime is 2236621969. The reversal of 2236621968 is 8691266322.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2236621969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108428 + ... + 1110443.

Almost surely, 2^2236621968 is an apocalyptic number.

2236621968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2236621968 is an abundant number, since it is smaller than the sum of its proper divisors (4917021360).

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

2236621968 is a wasteful number, since it uses less digits than its factorization.

2236621968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218892 (or 2218883 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 2236621968 is about 47292.9378237385. The cubic root of 2236621968 is about 1307.7684689646.

The spelling of 2236621968 in words is "two billion, two hundred thirty-six million, six hundred twenty-one thousand, nine hundred sixty-eight".