2188941233 has 8 divisors (see below), whose sum is σ = 2320581960. Its totient is φ = 2057620480.

The previous prime is 2188941203. The next prime is 2188941239. The reversal of 2188941233 is 3321498812.

It can be written as a sum of positive squares in 4 ways, for example, as 1566338929 + 622602304 = 39577^2 + 24952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2188941233 - 2¹⁶ = 2188875697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2188941239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65828 + ... + 93333.

It is an arithmetic number, because the mean of its divisors is an integer number (290072745).

Almost surely, 2^2188941233 is an apocalyptic number.

It is an amenable number.

2188941233 is a deficient number, since it is larger than the sum of its proper divisors (131640727).

2188941233 is a wasteful number, since it uses less digits than its factorization.

2188941233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159987.

The product of its digits is 82944, while the sum is 41.

The square root of 2188941233 is about 46786.1222265748. The cubic root of 2188941233 is about 1298.4085521650.

The spelling of 2188941233 in words is "two billion, one hundred eighty-eight million, nine hundred forty-one thousand, two hundred thirty-three".