1224452452 has 6 divisors (see below), whose sum is σ = 2142791798. Its totient is φ = 612226224.

The previous prime is 1224452447. The next prime is 1224452461. The reversal of 1224452452 is 2542544221.

It can be written as a sum of positive squares in only one way, i.e., 659154276 + 565298176 = 25674^2 + 23776^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153056553 + ... + 153056560.

Almost surely, 2^1224452452 is an apocalyptic number.

It is an amenable number.

1224452452 is a deficient number, since it is larger than the sum of its proper divisors (918339346).

1224452452 is a wasteful number, since it uses less digits than its factorization.

1224452452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306113117 (or 306113115 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 1224452452 is about 34992.1770114407. The cubic root of 1224452452 is about 1069.8280365333.

Adding to 1224452452 its reverse (2542544221), we get a palindrome (3766996673).

The spelling of 1224452452 in words is "one billion, two hundred twenty-four million, four hundred fifty-two thousand, four hundred fifty-two".