1663226223 has 16 divisors (see below), whose sum is σ = 2226890880. Its totient is φ = 1104200864.

The previous prime is 1663226221. The next prime is 1663226249. The reversal of 1663226223 is 3226223661.

1663226223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1663226223 - 2¹ = 1663226221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663226221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026508 + ... + 1028126.

It is an arithmetic number, because the mean of its divisors is an integer number (139180680).

Almost surely, 2^1663226223 is an apocalyptic number.

1663226223 is a deficient number, since it is larger than the sum of its proper divisors (563664657).

1663226223 is a wasteful number, since it uses less digits than its factorization.

1663226223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838.

The product of its digits is 31104, while the sum is 33.

The square root of 1663226223 is about 40782.6706212332. The cubic root of 1663226223 is about 1184.8147200931.

Adding to 1663226223 its reverse (3226223661), we get a palindrome (4889449884).

The spelling of 1663226223 in words is "one billion, six hundred sixty-three million, two hundred twenty-six thousand, two hundred twenty-three".