2273819964 has 72 divisors (see below), whose sum is σ = 5779195632. Its totient is φ = 695485440.

The previous prime is 2273819959. The next prime is 2273820007. The reversal of 2273819964 is 4699183722.

It is a super-2 number, since 2×2273819964² = 10340514457369922592, which contains 22 as substring.

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, 347604 + ... + 354084.

It is an arithmetic number, because the mean of its divisors is an integer number (80266606).

Almost surely, 2^2273819964 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 2273819964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889597816).

2273819964 is an abundant number, since it is smaller than the sum of its proper divisors (3505375668).

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

2273819964 is a wasteful number, since it uses less digits than its factorization.

2273819964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687 (or 6672 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 2273819964 is about 47684.5883278864. The cubic root of 2273819964 is about 1314.9786199399.

The spelling of 2273819964 in words is "two billion, two hundred seventy-three million, eight hundred nineteen thousand, nine hundred sixty-four".