1224455342 has 64 divisors (see below), whose sum is σ = 2209939200. Its totient is φ = 502548480.

The previous prime is 1224455321. The next prime is 1224455357. The reversal of 1224455342 is 2435544221.

It is a junction number, because it is equal to n+sod(n) for n = 1224455299 and 1224455308.

It is a congruent number.

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, 1005518 + ... + 1006734.

It is an arithmetic number, because the mean of its divisors is an integer number (34530300).

Almost surely, 2^1224455342 is an apocalyptic number.

1224455342 is a deficient number, since it is larger than the sum of its proper divisors (985483858).

1224455342 is a wasteful number, since it uses less digits than its factorization.

1224455342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its digits is 38400, while the sum is 32.

The square root of 1224455342 is about 34992.2183063606. The cubic root of 1224455342 is about 1069.8288782158.

Adding to 1224455342 its reverse (2435544221), we get a palindrome (3659999563).

The spelling of 1224455342 in words is "one billion, two hundred twenty-four million, four hundred fifty-five thousand, three hundred forty-two".