452221366 has 16 divisors (see below), whose sum is σ = 700951680. Its totient is φ = 218586240.

The previous prime is 452221351. The next prime is 452221373. The reversal of 452221366 is 663122254.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 65470 + ... + 72046.

It is an arithmetic number, because the mean of its divisors is an integer number (43809480).

Almost surely, 2^452221366 is an apocalyptic number.

452221366 is a deficient number, since it is larger than the sum of its proper divisors (248730314).

452221366 is a wasteful number, since it uses less digits than its factorization.

452221366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719.

The product of its digits is 17280, while the sum is 31.

The square root of 452221366 is about 21265.4970786013. The cubic root of 452221366 is about 767.5682919423.

The spelling of 452221366 in words is "four hundred fifty-two million, two hundred twenty-one thousand, three hundred sixty-six".