2043226644 has 12 divisors (see below), whose sum is σ = 4767528864. Its totient is φ = 681075544.

The previous prime is 2043226637. The next prime is 2043226681. The reversal of 2043226644 is 4466223402.

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

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, 85134432 + ... + 85134455.

It is an arithmetic number, because the mean of its divisors is an integer number (397294072).

Almost surely, 2^2043226644 is an apocalyptic number.

It is an amenable number.

2043226644 is an abundant number, since it is smaller than the sum of its proper divisors (2724302220).

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

2043226644 is a wasteful number, since it uses less digits than its factorization.

2043226644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170268894 (or 170268892 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 2043226644 is about 45202.0645988654. The cubic root of 2043226644 is about 1268.9334555300.

The spelling of 2043226644 in words is "two billion, forty-three million, two hundred twenty-six thousand, six hundred forty-four".