4220321022 has 32 divisors (see below), whose sum is σ = 9518476800. Its totient is φ = 1385775864.

The previous prime is 4220320999. The next prime is 4220321023. The reversal of 4220321022 is 2201230224.

It is a super-2 number, since 2×4220321022² = 35622219057470248968, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 4220320986 and 4220321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220321023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579622 + ... + 586857.

It is an arithmetic number, because the mean of its divisors is an integer number (297452400).

Almost surely, 2^4220321022 is an apocalyptic number.

4220321022 is an abundant number, since it is smaller than the sum of its proper divisors (5298155778).

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

4220321022 is a wasteful number, since it uses less digits than its factorization.

4220321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166557 (or 1166551 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4220321022 is about 64963.9978911397. The cubic root of 4220321022 is about 1616.0265653309.

Adding to 4220321022 its reverse (2201230224), we get a palindrome (6421551246).

The spelling of 4220321022 in words is "four billion, two hundred twenty million, three hundred twenty-one thousand, twenty-two".