4225920 has 128 divisors (see below), whose sum is σ = 14100480. Its totient is φ = 1075200.

The previous prime is 4225901. The next prime is 4225931. The reversal of 4225920 is 295224.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59485 + ... + 59555.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

Almost surely, 2^4225920 is an apocalyptic number.

4225920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4225920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7050240).

4225920 is an abundant number, since it is smaller than the sum of its proper divisors (9874560).

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

4225920 is a wasteful number, since it uses less digits than its factorization.

4225920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4225920 is about 2055.7042588855. The cubic root of 4225920 is about 161.6740894786.

The spelling of 4225920 in words is "four million, two hundred twenty-five thousand, nine hundred twenty".