2223455566 has 8 divisors (see below), whose sum is σ = 3336754824. Its totient is φ = 1111203960.

The previous prime is 2223455557. The next prime is 2223455569. The reversal of 2223455566 is 6655543222.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223455569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256585 + ... + 265108.

It is an arithmetic number, because the mean of its divisors is an integer number (417094353).

Almost surely, 2^2223455566 is an apocalyptic number.

2223455566 is a deficient number, since it is larger than the sum of its proper divisors (1113299258).

2223455566 is a wasteful number, since it uses less digits than its factorization.

2223455566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523826.

The product of its digits is 432000, while the sum is 40.

The square root of 2223455566 is about 47153.5318507532. The cubic root of 2223455566 is about 1305.1972546228.

Adding to 2223455566 its reverse (6655543222), we get a palindrome (8878998788).

The spelling of 2223455566 in words is "two billion, two hundred twenty-three million, four hundred fifty-five thousand, five hundred sixty-six".