4512212022 has 64 divisors (see below), whose sum is σ = 9514713600. Its totient is φ = 1424559360.

The previous prime is 4512212021. The next prime is 4512212027. The reversal of 4512212022 is 2202122154.

It is a self number, because there is not a number n which added to its sum of digits gives 4512212022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512212021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2803554 + ... + 2805162.

It is an arithmetic number, because the mean of its divisors is an integer number (148667400).

Almost surely, 2^4512212022 is an apocalyptic number.

4512212022 is an abundant number, since it is smaller than the sum of its proper divisors (5002501578).

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

4512212022 is a wasteful number, since it uses less digits than its factorization.

4512212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4512212022 is about 67173.0006922424. Note that the first 3 decimals coincide. The cubic root of 4512212022 is about 1652.4557276680.

Adding to 4512212022 its reverse (2202122154), we get a palindrome (6714334176).

The spelling of 4512212022 in words is "four billion, five hundred twelve million, two hundred twelve thousand, twenty-two".