2223182389156 has 9 divisors (see below), whose sum is σ = 3890574399649. Its totient is φ = 1111589703544.

The previous prime is 2223182389139. The next prime is 2223182389159. The reversal of 2223182389156 is 6519832813222.

The square root of 2223182389156 is 1491034.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1976189292900 + 246993096256 = 1405770^2 + 496984^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223182389159) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2609310 + ... + 3354826.

Almost surely, 2^{2223182389156} is an apocalyptic number.

2223182389156 is the 1491034-th square number.

It is an amenable number.

2223182389156 is a deficient number, since it is larger than the sum of its proper divisors (1667392010493).

2223182389156 is an frugal number, since it uses more digits than its factorization.

2223182389156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491038 (or 745519 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 2223182389156 in words is "two trillion, two hundred twenty-three billion, one hundred eighty-two million, three hundred eighty-nine thousand, one hundred fifty-six".