2022228840 has 128 divisors (see below), whose sum is σ = 6223109760. Its totient is φ = 525533184.

The previous prime is 2022228827. The next prime is 2022228869. The reversal of 2022228840 is 488222202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2022228798 and 2022228807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778584 + ... + 781176.

It is an arithmetic number, because the mean of its divisors is an integer number (48618045).

Almost surely, 2^2022228840 is an apocalyptic number.

2022228840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022228840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111554880).

2022228840 is an abundant number, since it is smaller than the sum of its proper divisors (4200880920).

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

2022228840 is a wasteful number, since it uses less digits than its factorization.

2022228840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 2022228840 is about 44969.1987920621. The cubic root of 2022228840 is about 1264.5716266321.

The spelling of 2022228840 in words is "two billion, twenty-two million, two hundred twenty-eight thousand, eight hundred forty".