423222061 has 4 divisors (see below), whose sum is σ = 423906400. Its totient is φ = 422537724.

The previous prime is 423222053. The next prime is 423222073. The reversal of 423222061 is 160222324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423222061 - 2³ = 423222053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423222001) 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 3 ways as a sum of consecutive naturals, for example, 341241 + ... + 342478.

It is an arithmetic number, because the mean of its divisors is an integer number (105976600).

Almost surely, 2^423222061 is an apocalyptic number.

It is an amenable number.

423222061 is a deficient number, since it is larger than the sum of its proper divisors (684339).

423222061 is an equidigital number, since it uses as much as digits as its factorization.

423222061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684338.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 423222061 is about 20572.3615805284. The cubic root of 423222061 is about 750.7974102524.

Adding to 423222061 its reverse (160222324), we get a palindrome (583444385).

The spelling of 423222061 in words is "four hundred twenty-three million, two hundred twenty-two thousand, sixty-one".