423220202 has 16 divisors (see below), whose sum is σ = 678704832. Its totient is φ = 197227200.

The previous prime is 423220183. The next prime is 423220207. The reversal of 423220202 is 202022324.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (423220207) by changing a digit.

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, 56924 + ... + 63927.

It is an arithmetic number, because the mean of its divisors is an integer number (42419052).

Almost surely, 2^423220202 is an apocalyptic number.

423220202 is a deficient number, since it is larger than the sum of its proper divisors (255484630).

423220202 is a wasteful number, since it uses less digits than its factorization.

423220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120973.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 423220202 is about 20572.3163985002. The cubic root of 423220202 is about 750.7963109600.

Adding to 423220202 its reverse (202022324), we get a palindrome (625242526).

The spelling of 423220202 in words is "four hundred twenty-three million, two hundred twenty thousand, two hundred two".