2022421220 has 24 divisors (see below), whose sum is σ = 4257799224. Its totient is φ = 806927616.

The previous prime is 2022421189. The next prime is 2022421249. The reversal of 2022421220 is 221242202.

It can be written as a sum of positive squares in 4 ways, for example, as 617820736 + 1404600484 = 24856^2 + 37478^2 .

It is a super-2 number, since 2×2022421220² = 8180375182212576800, which contains 22 as substring.

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, 119417 + ... + 135296.

It is an arithmetic number, because the mean of its divisors is an integer number (177408301).

Almost surely, 2^2022421220 is an apocalyptic number.

2022421220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022421220 is an abundant number, since it is smaller than the sum of its proper divisors (2235378004).

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

2022421220 is a wasteful number, since it uses less digits than its factorization.

2022421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255119 (or 255117 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2022421220 is about 44971.3377608450. The cubic root of 2022421220 is about 1264.6117260462.

Adding to 2022421220 its reverse (221242202), we get a palindrome (2243663422).

The spelling of 2022421220 in words is "two billion, twenty-two million, four hundred twenty-one thousand, two hundred twenty".