1665482223 has 32 divisors (see below), whose sum is σ = 2326892544. Its totient is φ = 1058400000.

The previous prime is 1665482201. The next prime is 1665482239. The reversal of 1665482223 is 3222845661.

It is not a de Polignac number, because 1665482223 - 2⁹ = 1665481711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665482243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2639118 + ... + 2639748.

It is an arithmetic number, because the mean of its divisors is an integer number (72715392).

Almost surely, 2^1665482223 is an apocalyptic number.

1665482223 is a deficient number, since it is larger than the sum of its proper divisors (661410321).

1665482223 is a wasteful number, since it uses less digits than its factorization.

1665482223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its digits is 138240, while the sum is 39.

The square root of 1665482223 is about 40810.3200551037. The cubic root of 1665482223 is about 1185.3501722874.

The spelling of 1665482223 in words is "one billion, six hundred sixty-five million, four hundred eighty-two thousand, two hundred twenty-three".