4422726 has 48 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 1148400.

The previous prime is 4422673. The next prime is 4422749. The reversal of 4422726 is 6272244.

It is a happy number.

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 4422726.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^4422726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5975424).

4422726 is an abundant number, since it is smaller than the sum of its proper divisors (7528122).

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

4422726 is a wasteful number, since it uses less digits than its factorization.

4422726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3214 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 4422726 is about 2103.0278172197. The cubic root of 4422726 is about 164.1458894173.

It can be divided in two parts, 44227 and 26, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 4422726 in words is "four million, four hundred twenty-two thousand, seven hundred twenty-six".