423211422 has 8 divisors (see below), whose sum is σ = 846422856. Its totient is φ = 141070472.

The previous prime is 423211421. The next prime is 423211423. The reversal of 423211422 is 224112324.

It is an interprime number because it is at equal distance from previous prime (423211421) and next prime (423211423).

It is a sphenic number, since it is the product of 3 distinct primes.

423211422 is an admirable number.

It is a super-2 number, since 2×423211422² = 358215815422524168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423211421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35267613 + ... + 35267624.

It is an arithmetic number, because the mean of its divisors is an integer number (105802857).

Almost surely, 2^423211422 is an apocalyptic number.

423211422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423211422 is a wasteful number, since it uses less digits than its factorization.

423211422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70535242.

The product of its digits is 768, while the sum is 21.

The square root of 423211422 is about 20572.1030038254. The cubic root of 423211422 is about 750.7911189920.

Adding to 423211422 its reverse (224112324), we get a palindrome (647323746).

The spelling of 423211422 in words is "four hundred twenty-three million, two hundred eleven thousand, four hundred twenty-two".