420452223 has 16 divisors (see below), whose sum is σ = 570242400. Its totient is φ = 275521536.

The previous prime is 420452203. The next prime is 420452239. The reversal of 420452223 is 322254024.

It is a happy number.

It is not a de Polignac number, because 420452223 - 2⁵ = 420452191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420452193 and 420452202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420452203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38511 + ... + 48207.

It is an arithmetic number, because the mean of its divisors is an integer number (35640150).

Almost surely, 2^420452223 is an apocalyptic number.

420452223 is a deficient number, since it is larger than the sum of its proper divisors (149790177).

420452223 is a wasteful number, since it uses less digits than its factorization.

420452223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 420452223 is about 20504.9316750873. The cubic root of 420452223 is about 749.1559232913.

The spelling of 420452223 in words is "four hundred twenty million, four hundred fifty-two thousand, two hundred twenty-three".