2223746812 has 72 divisors (see below), whose sum is σ = 5001774624. Its totient is φ = 857945088.

The previous prime is 2223746803. The next prime is 2223746851. The reversal of 2223746812 is 2186473222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62128 + ... + 91144.

It is an arithmetic number, because the mean of its divisors is an integer number (69469092).

Almost surely, 2^2223746812 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 2223746812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500887312).

2223746812 is an abundant number, since it is smaller than the sum of its proper divisors (2778027812).

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

2223746812 is a wasteful number, since it uses less digits than its factorization.

2223746812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29075 (or 29066 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 2223746812 is about 47156.6200230678. The cubic root of 2223746812 is about 1305.2542405279.

The spelling of 2223746812 in words is "two billion, two hundred twenty-three million, seven hundred forty-six thousand, eight hundred twelve".