2222020 has 24 divisors (see below), whose sum is σ = 4695768. Its totient is φ = 883200.

The previous prime is 2221997. The next prime is 2222023. The reversal of 2222020 is 202222.

2222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 278784 + 1943236 = 528^2 + 1394^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2221988 and 2222006.

It is not an unprimeable number, because it can be changed into a prime (2222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4590 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (195657).

2^2222020 is an apocalyptic number.

2222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222020 is an abundant number, since it is smaller than the sum of its proper divisors (2473748).

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

2222020 is a wasteful number, since it uses less digits than its factorization.

2222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2222020 is about 1490.6441560614. The cubic root of 2222020 is about 130.4916295527.

Adding to 2222020 its reverse (202222), we get a palindrome (2424242).

The spelling of 2222020 in words is "two million, two hundred twenty-two thousand, twenty".