4522000 has 160 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 1382400.

The previous prime is 4521977. The next prime is 4522027. The reversal of 4522000 is 2254.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237991 + ... + 238009.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

Almost surely, 2^4522000 is an apocalyptic number.

4522000 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 4522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6963840).

4522000 is an abundant number, since it is smaller than the sum of its proper divisors (9405680).

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

4522000 is a wasteful number, since it uses less digits than its factorization.

4522000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4522000 is about 2126.4994709616. The cubic root of 4522000 is about 165.3649711105.

Adding to 4522000 its reverse (2254), we get a palindrome (4524254).

The spelling of 4522000 in words is "four million, five hundred twenty-two thousand".