2212422020 has 24 divisors (see below), whose sum is σ = 4675685784. Its totient is φ = 879330816.

The previous prime is 2212421989. The next prime is 2212422031. The reversal of 2212422020 is 202242122.

It can be written as a sum of positive squares in 4 ways, for example, as 2669956 + 2209752064 = 1634^2 + 47008^2 .

It is a super-2 number, since 2×2212422020² = 9789622389161760800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212422020.

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, 349157 + ... + 355436.

It is an arithmetic number, because the mean of its divisors is an integer number (194820241).

Almost surely, 2^2212422020 is an apocalyptic number.

2212422020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212422020 is an abundant number, since it is smaller than the sum of its proper divisors (2463263764).

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

2212422020 is a wasteful number, since it uses less digits than its factorization.

2212422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704759 (or 704757 counting only the distinct ones).

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

The square root of 2212422020 is about 47036.3903802152. The cubic root of 2212422020 is about 1303.0347287367.

Adding to 2212422020 its reverse (202242122), we get a palindrome (2414664142).

It can be divided in two parts, 22124 and 22020, that added together give a palindrome (44144).

The spelling of 2212422020 in words is "two billion, two hundred twelve million, four hundred twenty-two thousand, twenty".