2271940650 has 144 divisors (see below), whose sum is σ = 7234578624. Its totient is φ = 519281280.

The previous prime is 2271940631. The next prime is 2271940663. The reversal of 2271940650 is 560491722.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71694 + ... + 98406.

Almost surely, 2^2271940650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271940650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617289312).

2271940650 is an abundant number, since it is smaller than the sum of its proper divisors (4962637974).

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

2271940650 is a wasteful number, since it uses less digits than its factorization.

2271940650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26747 (or 26730 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2271940650 is about 47664.8785795160. The cubic root of 2271940650 is about 1314.6162431299.

The spelling of 2271940650 in words is "two billion, two hundred seventy-one million, nine hundred forty thousand, six hundred fifty".