4422906 has 48 divisors (see below), whose sum is σ = 10225800. Its totient is φ = 1378944.

The previous prime is 4422881. The next prime is 4422919. The reversal of 4422906 is 6092244.

It can be written as a sum of positive squares in 4 ways, for example, as 4372281 + 50625 = 2091^2 + 225^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4422906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19200 + ... + 19428.

Almost surely, 2^4422906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5112900).

4422906 is an abundant number, since it is smaller than the sum of its proper divisors (5802894).

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

4422906 is a wasteful number, since it uses less digits than its factorization.

4422906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4422906 is about 2103.0706122239. The cubic root of 4422906 is about 164.1481162384.

The spelling of 4422906 in words is "four million, four hundred twenty-two thousand, nine hundred six".