4219425 has 96 divisors (see below), whose sum is σ = 9523200. Its totient is φ = 1788480.

The previous prime is 4219363. The next prime is 4219427. The reversal of 4219425 is 5249124.

It is not a de Polignac number, because 4219425 - 2⁶ = 4219361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁷ + 2 + 1 + 9⁴ + 4¹¹ + 2¹¹ + 5³ .

4219425 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4219427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89752 + ... + 89798.

It is an arithmetic number, because the mean of its divisors is an integer number (99200).

Almost surely, 2^4219425 is an apocalyptic number.

4219425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4219425 is an abundant number, since it is smaller than the sum of its proper divisors (5303775).

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

4219425 is a wasteful number, since it uses less digits than its factorization.

4219425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 81 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4219425 is about 2054.1239008395. The cubic root of 4219425 is about 161.5912190316.

The spelling of 4219425 in words is "four million, two hundred nineteen thousand, four hundred twenty-five".