4284522 has 32 divisors (see below), whose sum is σ = 10388160. Its totient is φ = 1298160.

The previous prime is 4284503. The next prime is 4284523. The reversal of 4284522 is 2254824.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (4284523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (324630).

Almost surely, 2^4284522 is an apocalyptic number.

4284522 is an abundant number, since it is smaller than the sum of its proper divisors (6103638).

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

4284522 is a wasteful number, since it uses less digits than its factorization.

4284522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235 (or 7229 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4284522 is about 2069.9086936384. The cubic root of 4284522 is about 162.4179878075.

It can be divided in two parts, 428 and 4522, that added together give a triangular number (4950 = T₉₉).

The spelling of 4284522 in words is "four million, two hundred eighty-four thousand, five hundred twenty-two".