1224225566 has 8 divisors (see below), whose sum is σ = 1879044024. Its totient is φ = 597877560.

The previous prime is 1224225559. The next prime is 1224225589. The reversal of 1224225566 is 6655224221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7117505 + ... + 7117676.

It is an arithmetic number, because the mean of its divisors is an integer number (234880503).

Almost surely, 2^1224225566 is an apocalyptic number.

1224225566 is a deficient number, since it is larger than the sum of its proper divisors (654818458).

1224225566 is a wasteful number, since it uses less digits than its factorization.

1224225566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235226.

The product of its digits is 57600, while the sum is 35.

The square root of 1224225566 is about 34988.9349080534. The cubic root of 1224225566 is about 1069.7619542074.

Adding to 1224225566 its reverse (6655224221), we get a palindrome (7879449787).

The spelling of 1224225566 in words is "one billion, two hundred twenty-four million, two hundred twenty-five thousand, five hundred sixty-six".