4022912 has 32 divisors (see below), whose sum is σ = 8179380. Its totient is φ = 1970176.

The previous prime is 4022911. The next prime is 4022929. The reversal of 4022912 is 2192204.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 118336 = 1976^2 + 344^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4022911) 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, 6488 + ... + 7080.

Almost surely, 2^4022912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4089690).

4022912 is an abundant number, since it is smaller than the sum of its proper divisors (4156468).

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

4022912 is an equidigital number, since it uses as much as digits as its factorization.

4022912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4022912 is about 2005.7198209122. The cubic root of 4022912 is about 159.0426161100.

The spelling of 4022912 in words is "four million, twenty-two thousand, nine hundred twelve".