220028622 has 16 divisors (see below), whose sum is σ = 480062592. Its totient is φ = 66675320.

The previous prime is 220028621. The next prime is 220028629. The reversal of 220028622 is 226820022.

It is a super-3 number, since 3×220028622³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220028592 and 220028601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220028621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666818 + ... + 1666949.

It is an arithmetic number, because the mean of its divisors is an integer number (30003912).

Almost surely, 2^220028622 is an apocalyptic number.

220028622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220028622 is an abundant number, since it is smaller than the sum of its proper divisors (260033970).

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

220028622 is a wasteful number, since it uses less digits than its factorization.

220028622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333783.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220028622 is about 14833.3617902349. The cubic root of 220028622 is about 603.7072521804.

Adding to 220028622 its reverse (226820022), we get a palindrome (446848644).

The spelling of 220028622 in words is "two hundred twenty million, twenty-eight thousand, six hundred twenty-two".