22282020 has 48 divisors (see below), whose sum is σ = 69323520. Its totient is φ = 5941728.

The previous prime is 22281997. The next prime is 22282021. The reversal of 22282020 is 2028222.

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 = 22281984 and 22282002.

It is not an unprimeable number, because it can be changed into a prime (22282021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20092 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (1444240).

Almost surely, 2^22282020 is an apocalyptic number.

22282020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22282020 is an abundant number, since it is smaller than the sum of its proper divisors (47041500).

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

22282020 is a wasteful number, since it uses less digits than its factorization.

22282020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41281 (or 41273 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22282020 is about 4720.3834589999. The cubic root of 22282020 is about 281.3961729059.

The spelling of 22282020 in words is "twenty-two million, two hundred eighty-two thousand, twenty".