4522788 has 36 divisors (see below), whose sum is σ = 11595948. Its totient is φ = 1486080.

The previous prime is 4522787. The next prime is 4522831. The reversal of 4522788 is 8872254.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2965284 + 1557504 = 1722^2 + 1248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4522788² = 40911222585888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁴ + 5³ + 2¹⁴ + 2²² + 7⁵ + 8⁵ + 8⁶ .

It is not an unprimeable number, because it can be changed into a prime (4522787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1768 + ... + 3488.

Almost surely, 2^4522788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4522788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5797974).

4522788 is an abundant number, since it is smaller than the sum of its proper divisors (7073160).

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

4522788 is a wasteful number, since it uses less digits than its factorization.

4522788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1799 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4522788 is about 2126.6847439148. The cubic root of 4522788 is about 165.3745760072.

It can be divided in two parts, 452 and 2788, that added together give a triangular number (3240 = T₈₀).

The spelling of 4522788 in words is "four million, five hundred twenty-two thousand, seven hundred eighty-eight".