1663226224 has 80 divisors (see below), whose sum is σ = 3645052416. Its totient is φ = 728640000.

The previous prime is 1663226221. The next prime is 1663226249. The reversal of 1663226224 is 4226223661.

It is a self number, because there is not a number n which added to its sum of digits gives 1663226224.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552724 + ... + 555724.

Almost surely, 2^1663226224 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 1663226224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822526208).

1663226224 is an abundant number, since it is smaller than the sum of its proper divisors (1981826192).

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

1663226224 is a wasteful number, since it uses less digits than its factorization.

1663226224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3128 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 1663226224 is about 40782.6706334933. The cubic root of 1663226224 is about 1184.8147203305.

Adding to 1663226224 its reverse (4226223661), we get a palindrome (5889449885).

The spelling of 1663226224 in words is "one billion, six hundred sixty-three million, two hundred twenty-six thousand, two hundred twenty-four".