1224505338 has 64 divisors (see below), whose sum is σ = 2943025920. Its totient is φ = 332236800.

The previous prime is 1224505313. The next prime is 1224505397. The reversal of 1224505338 is 8335054221.

It is a junction number, because it is equal to n+sod(n) for n = 1224505299 and 1224505308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66058 + ... + 82538.

It is an arithmetic number, because the mean of its divisors is an integer number (45984780).

Almost surely, 2^1224505338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224505338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471512960).

1224505338 is an abundant number, since it is smaller than the sum of its proper divisors (1718520582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224505338 is a wasteful number, since it uses less digits than its factorization.

1224505338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16583.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1224505338 is about 34992.9326864726. The cubic root of 1224505338 is about 1069.8434388221.

Adding to 1224505338 its reverse (8335054221), we get a palindrome (9559559559).

The spelling of 1224505338 in words is "one billion, two hundred twenty-four million, five hundred five thousand, three hundred thirty-eight".