2221020210 has 32 divisors (see below), whose sum is σ = 5353947072. Its totient is φ = 589661120.

The previous prime is 2221020161. The next prime is 2221020227. The reversal of 2221020210 is 120201222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156261 + ... + 169880.

It is an arithmetic number, because the mean of its divisors is an integer number (167310846).

Almost surely, 2^2221020210 is an apocalyptic number.

2221020210 is an abundant number, since it is smaller than the sum of its proper divisors (3132926862).

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

2221020210 is a wasteful number, since it uses less digits than its factorization.

2221020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326378.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2221020210 is about 47127.7010896988. The cubic root of 2221020210 is about 1304.7205520167.

Adding to 2221020210 its reverse (120201222), we get a palindrome (2341221432).

The spelling of 2221020210 in words is "two billion, two hundred twenty-one million, twenty thousand, two hundred ten".