423122212 has 12 divisors (see below), whose sum is σ = 740797596. Its totient is φ = 211465760.

The previous prime is 423122201. The next prime is 423122221. The reversal of 423122212 is 212221324.

It can be written as a sum of positive squares in 2 ways, for example, as 47692836 + 375429376 = 6906^2 + 19376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423122212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13339 + ... + 32002.

It is an arithmetic number, because the mean of its divisors is an integer number (61733133).

Almost surely, 2^423122212 is an apocalyptic number.

It is an amenable number.

423122212 is a deficient number, since it is larger than the sum of its proper divisors (317675384).

423122212 is a wasteful number, since it uses less digits than its factorization.

423122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47678 (or 47676 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 423122212 is about 20569.9346620255. The cubic root of 423122212 is about 750.7383614505.

Adding to 423122212 its reverse (212221324), we get a palindrome (635343536).

The spelling of 423122212 in words is "four hundred twenty-three million, one hundred twenty-two thousand, two hundred twelve".