2234785644 has 288 divisors, whose sum is σ = 7250181120. Its totient is φ = 564724224.

The previous prime is 2234785613. The next prime is 2234785667. The reversal of 2234785644 is 4465874322.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2234785644.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12484747 + ... + 12484925.

It is an arithmetic number, because the mean of its divisors is an integer number (25174240).

Almost surely, 2^2234785644 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 2234785644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625090560).

2234785644 is an abundant number, since it is smaller than the sum of its proper divisors (5015395476).

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

2234785644 is a wasteful number, since it uses less digits than its factorization.

2234785644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 2234785644 is about 47273.5194797256. The cubic root of 2234785644 is about 1307.4104671524.

The spelling of 2234785644 in words is "two billion, two hundred thirty-four million, seven hundred eighty-five thousand, six hundred forty-four".