452245222646 has 32 divisors (see below), whose sum is σ = 776174760192. Its totient is φ = 193595222880.

The previous prime is 452245222579. The next prime is 452245222661. The reversal of 452245222646 is 646222542254.

It is a happy number.

It is a super-2 number, since 2×452245222646² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 452245222597 and 452245222606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52115660 + ... + 52124336.

It is an arithmetic number, because the mean of its divisors is an integer number (24255461256).

Almost surely, 2^452245222646 is an apocalyptic number.

452245222646 is a deficient number, since it is larger than the sum of its proper divisors (323929537546).

452245222646 is a wasteful number, since it uses less digits than its factorization.

452245222646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564.

The product of its digits is 1843200, while the sum is 44.

The spelling of 452245222646 in words is "four hundred fifty-two billion, two hundred forty-five million, two hundred twenty-two thousand, six hundred forty-six".