2210100220 has 12 divisors (see below), whose sum is σ = 4641210504. Its totient is φ = 884040080.

The previous prime is 2210100131. The next prime is 2210100239. The reversal of 2210100220 is 220010122.

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 = 2210100197 and 2210100206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55252486 + ... + 55252525.

It is an arithmetic number, because the mean of its divisors is an integer number (386767542).

Almost surely, 2^2210100220 is an apocalyptic number.

2210100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210100220 is an abundant number, since it is smaller than the sum of its proper divisors (2431110284).

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

2210100220 is a wasteful number, since it uses less digits than its factorization.

2210100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110505020 (or 110505018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2210100220 is about 47011.7030110589. The cubic root of 2210100220 is about 1302.5787510884.

Adding to 2210100220 its reverse (220010122), we get a palindrome (2430110342).

The spelling of 2210100220 in words is "two billion, two hundred ten million, one hundred thousand, two hundred twenty".