422020312 has 16 divisors (see below), whose sum is σ = 904329360. Its totient is φ = 180865824.

The previous prime is 422020301. The next prime is 422020327. The reversal of 422020312 is 213020224.

It is a super-2 number, since 2×422020312² = 356202287481154688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3767983 + ... + 3768094.

It is an arithmetic number, because the mean of its divisors is an integer number (56520585).

Almost surely, 2^422020312 is an apocalyptic number.

It is an amenable number.

422020312 is an abundant number, since it is smaller than the sum of its proper divisors (482309048).

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

422020312 is a wasteful number, since it uses less digits than its factorization.

422020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536090 (or 7536086 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 422020312 is about 20543.1329645699. The cubic root of 422020312 is about 750.0861009299.

Adding to 422020312 its reverse (213020224), we get a palindrome (635040536).

The spelling of 422020312 in words is "four hundred twenty-two million, twenty thousand, three hundred twelve".