2270921968 has 20 divisors (see below), whose sum is σ = 5028470320. Its totient is φ = 973252224.

The previous prime is 2270921927. The next prime is 2270921987. The reversal of 2270921968 is 8691290722.

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, 10137933 + ... + 10138156.

It is an arithmetic number, because the mean of its divisors is an integer number (251423516).

Almost surely, 2^2270921968 is an apocalyptic number.

2270921968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2270921968 is an abundant number, since it is smaller than the sum of its proper divisors (2757548352).

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

2270921968 is a wasteful number, since it uses less digits than its factorization.

2270921968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20276104 (or 20276098 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2270921968 is about 47654.1915050502. The cubic root of 2270921968 is about 1314.4197332864.

The spelling of 2270921968 in words is "two billion, two hundred seventy million, nine hundred twenty-one thousand, nine hundred sixty-eight".