4512223530 has 64 divisors (see below), whose sum is σ = 12079601280. Its totient is φ = 1198559232.

The previous prime is 4512223523. The next prime is 4512223561. The reversal of 4512223530 is 353222154.

It is a happy number.

4512223530 is a `hidden beast` number, since 4 + 5 + 122 + 2 + 3 + 530 = 666.

It is a super-2 number, since 2×4512223530² = 40720322369371321800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 4512223494 and 4512223503.

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, 36877 + ... + 101903.

It is an arithmetic number, because the mean of its divisors is an integer number (188743770).

Almost surely, 2^4512223530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512223530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6039800640).

4512223530 is an abundant number, since it is smaller than the sum of its proper divisors (7567377750).

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

4512223530 is a wasteful number, since it uses less digits than its factorization.

4512223530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65300 (or 65294 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4512223530 is about 67173.0863516036. The cubic root of 4512223530 is about 1652.4571324812.

Adding to 4512223530 its reverse (353222154), we get a palindrome (4865445684).

The spelling of 4512223530 in words is "four billion, five hundred twelve million, two hundred twenty-three thousand, five hundred thirty".