1224224255 has 8 divisors (see below), whose sum is σ = 1516458624. Its totient is φ = 947786400.

The previous prime is 1224224249. The next prime is 1224224257. The reversal of 1224224255 is 5524224221.

It is a happy number.

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

It is not a de Polignac number, because 1224224255 - 2¹² = 1224220159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224224257) 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 7 ways as a sum of consecutive naturals, for example, 3948956 + ... + 3949265.

It is an arithmetic number, because the mean of its divisors is an integer number (189557328).

Almost surely, 2^1224224255 is an apocalyptic number.

1224224255 is a deficient number, since it is larger than the sum of its proper divisors (292234369).

1224224255 is an equidigital number, since it uses as much as digits as its factorization.

1224224255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898257.

The product of its digits is 12800, while the sum is 29.

The square root of 1224224255 is about 34988.9161735542. The cubic root of 1224224255 is about 1069.7615723447.

Adding to 1224224255 its reverse (5524224221), we get a palindrome (6748448476).

The spelling of 1224224255 in words is "one billion, two hundred twenty-four million, two hundred twenty-four thousand, two hundred fifty-five".