1224231455 has 12 divisors (see below), whose sum is σ = 1560579240. Its totient is φ = 921773184.

The previous prime is 1224231439. The next prime is 1224231461. The reversal of 1224231455 is 5541324221.

It is not a de Polignac number, because 1224231455 - 2⁴ = 1224231439 is a prime.

It is a super-2 number, since 2×1224231455² = 2997485310822834050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422165 + ... + 425054.

It is an arithmetic number, because the mean of its divisors is an integer number (130048270).

Almost surely, 2^1224231455 is an apocalyptic number.

1224231455 is a deficient number, since it is larger than the sum of its proper divisors (336347785).

1224231455 is an equidigital number, since it uses as much as digits as its factorization.

1224231455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847258 (or 847241 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1224231455 is about 34989.0190631289. The cubic root of 1224231455 is about 1069.7636695280.

Adding to 1224231455 its reverse (5541324221), we get a palindrome (6765555676).

The spelling of 1224231455 in words is "one billion, two hundred twenty-four million, two hundred thirty-one thousand, four hundred fifty-five".