2285420 has 24 divisors (see below), whose sum is σ = 4830000. Its totient is φ = 908352.

The previous prime is 2285401. The next prime is 2285443. The reversal of 2285420 is 245822.

It is a super-3 number, since 3×2285420³ = 35811237233388264000, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 4829.

It is an arithmetic number, because the mean of its divisors is an integer number (201250).

2^2285420 is an apocalyptic number.

2285420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2285420 is an abundant number, since it is smaller than the sum of its proper divisors (2544580).

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

2285420 is a wasteful number, since it uses less digits than its factorization.

2285420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2285420 is about 1511.7605630522. The cubic root of 2285420 is about 131.7210976860.

The spelling of 2285420 in words is "two million, two hundred eighty-five thousand, four hundred twenty".