2210142220 has 96 divisors (see below), whose sum is σ = 5689958400. Its totient is φ = 709589760.

The previous prime is 2210142203. The next prime is 2210142257. The reversal of 2210142220 is 222410122.

It is a junction number, because it is equal to n+sod(n) for n = 2210142194 and 2210142203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48981 + ... + 82579.

It is an arithmetic number, because the mean of its divisors is an integer number (59270400).

Almost surely, 2^2210142220 is an apocalyptic number.

2210142220 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 2210142220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844979200).

2210142220 is an abundant number, since it is smaller than the sum of its proper divisors (3479816180).

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

2210142220 is a wasteful number, since it uses less digits than its factorization.

2210142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33655 (or 33653 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2210142220 is about 47012.1497062196. The cubic root of 2210142220 is about 1302.5870022921.

Adding to 2210142220 its reverse (222410122), we get a palindrome (2432552342).

The spelling of 2210142220 in words is "two billion, two hundred ten million, one hundred forty-two thousand, two hundred twenty".