1022630220 has 36 divisors (see below), whose sum is σ = 3101978880. Its totient is φ = 272701344.

The previous prime is 1022630149. The next prime is 1022630221. The reversal of 1022630220 is 220362201.

1022630220 is a `hidden beast` number, since 10 + 2 + 2 + 630 + 2 + 20 = 666.

1022630220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1022630193 and 1022630202.

It is not an unprimeable number, because it can be changed into a prime (1022630221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2840460 + ... + 2840819.

It is an arithmetic number, because the mean of its divisors is an integer number (86166080).

Almost surely, 2^1022630220 is an apocalyptic number.

1022630220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022630220 is an abundant number, since it is smaller than the sum of its proper divisors (2079348660).

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

1022630220 is a wasteful number, since it uses less digits than its factorization.

1022630220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681294 (or 5681289 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1022630220 is about 31978.5900252028. The cubic root of 1022630220 is about 1007.4872084693.

Adding to 1022630220 its reverse (220362201), we get a palindrome (1242992421).

The spelling of 1022630220 in words is "one billion, twenty-two million, six hundred thirty thousand, two hundred twenty".