2022211220 has 24 divisors (see below), whose sum is σ = 4383633408. Its totient is φ = 782791200.

The previous prime is 2022211199. The next prime is 2022211223. The reversal of 2022211220 is 221122202.

It is a junction number, because it is equal to n+sod(n) for n = 2022211195 and 2022211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022211223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630196 + ... + 1631435.

It is an arithmetic number, because the mean of its divisors is an integer number (182651392).

Almost surely, 2^2022211220 is an apocalyptic number.

2022211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022211220 is an abundant number, since it is smaller than the sum of its proper divisors (2361422188).

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

2022211220 is a wasteful number, since it uses less digits than its factorization.

2022211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261671 (or 3261669 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2022211220 is about 44969.0028797615. The cubic root of 2022211220 is about 1264.5679538171.

Adding to 2022211220 its reverse (221122202), we get a palindrome (2243333422).

The spelling of 2022211220 in words is "two billion, twenty-two million, two hundred eleven thousand, two hundred twenty".