1224255430 has 16 divisors (see below), whose sum is σ = 2226379680. Its totient is φ = 484653312.

The previous prime is 1224255419. The next prime is 1224255463. The reversal of 1224255430 is 345524221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630090 + ... + 632029.

It is an arithmetic number, because the mean of its divisors is an integer number (139148730).

Almost surely, 2^1224255430 is an apocalyptic number.

1224255430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224255430 is a deficient number, since it is larger than the sum of its proper divisors (1002124250).

1224255430 is a wasteful number, since it uses less digits than its factorization.

1224255430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262223.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1224255430 is about 34989.3616689416. The cubic root of 1224255430 is about 1069.7706527981.

Adding to 1224255430 its reverse (345524221), we get a palindrome (1569779651).

The spelling of 1224255430 in words is "one billion, two hundred twenty-four million, two hundred fifty-five thousand, four hundred thirty".