1452221305 has 8 divisors (see below), whose sum is σ = 1743898752. Its totient is φ = 1160954928.

The previous prime is 1452221293. The next prime is 1452221317. The reversal of 1452221305 is 5031222541.

It is an interprime number because it is at equal distance from previous prime (1452221293) and next prime (1452221317).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1452221305 - 2⁵ = 1452221273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1452221305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94939 + ... + 109168.

It is an arithmetic number, because the mean of its divisors is an integer number (217987344).

Almost surely, 2^1452221305 is an apocalyptic number.

It is an amenable number.

1452221305 is a deficient number, since it is larger than the sum of its proper divisors (291677447).

1452221305 is a wasteful number, since it uses less digits than its factorization.

1452221305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205535.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1452221305 is about 38108.0215309061. The cubic root of 1452221305 is about 1132.4288750333.

Adding to 1452221305 its reverse (5031222541), we get a palindrome (6483443846).

The spelling of 1452221305 in words is "one billion, four hundred fifty-two million, two hundred twenty-one thousand, three hundred five".