4520212222 has 16 divisors (see below), whose sum is σ = 6880199760. Its totient is φ = 2227016448.

The previous prime is 4520212211. The next prime is 4520212237. The reversal of 4520212222 is 2222120254.

It is a junction number, because it is equal to n+sod(n) for n = 4520212193 and 4520212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448 + ... + 95299.

It is an arithmetic number, because the mean of its divisors is an integer number (430012485).

Almost surely, 2^4520212222 is an apocalyptic number.

4520212222 is a deficient number, since it is larger than the sum of its proper divisors (2359987538).

4520212222 is a wasteful number, since it uses less digits than its factorization.

4520212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102075.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4520212222 is about 67232.5235432971. The cubic root of 4520212222 is about 1653.4317582625.

Adding to 4520212222 its reverse (2222120254), we get a palindrome (6742332476).

The spelling of 4520212222 in words is "four billion, five hundred twenty million, two hundred twelve thousand, two hundred twenty-two".