423112222 has 16 divisors (see below), whose sum is σ = 683902800. Its totient is φ = 195164352.

The previous prime is 423112219. The next prime is 423112231. The reversal of 423112222 is 222211324.

It is a super-5 number, since 5×423112222⁵ (a number of 44 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50698 + ... + 58450.

It is an arithmetic number, because the mean of its divisors is an integer number (42743925).

Almost surely, 2^423112222 is an apocalyptic number.

423112222 is a deficient number, since it is larger than the sum of its proper divisors (260790578).

423112222 is a wasteful number, since it uses less digits than its factorization.

423112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867.

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

The square root of 423112222 is about 20569.6918304577. The cubic root of 423112222 is about 750.7324530431.

Adding to 423112222 its reverse (222211324), we get a palindrome (645323546).

The spelling of 423112222 in words is "four hundred twenty-three million, one hundred twelve thousand, two hundred twenty-two".