4222530 has 80 divisors (see below), whose sum is σ = 12257784. Its totient is φ = 1036800.

The previous prime is 4222529. The next prime is 4222553. The reversal of 4222530 is 352224.

It can be written as a sum of positive squares in 4 ways, for example, as 3814209 + 408321 = 1953^2 + 639^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10330 + ... + 10730.

Almost surely, 2^4222530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4222530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6128892).

4222530 is an abundant number, since it is smaller than the sum of its proper divisors (8035254).

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

4222530 is a wasteful number, since it uses less digits than its factorization.

4222530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4222530 is about 2054.8795585143. The cubic root of 4222530 is about 161.6308466832.

Adding to 4222530 its reverse (352224), we get a palindrome (4574754).

The spelling of 4222530 in words is "four million, two hundred twenty-two thousand, five hundred thirty".