2221020222 has 8 divisors (see below), whose sum is σ = 4442040456. Its totient is φ = 740340072.

The previous prime is 2221020161. The next prime is 2221020227. The reversal of 2221020222 is 2220201222.

It is a sphenic number, since it is the product of 3 distinct primes.

2221020222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185085013 + ... + 185085024.

It is an arithmetic number, because the mean of its divisors is an integer number (555255057).

Almost surely, 2^2221020222 is an apocalyptic number.

2221020222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2221020222 is a wasteful number, since it uses less digits than its factorization.

2221020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370170042.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2221020222 is about 47127.7012170125. The cubic root of 2221020222 is about 1304.7205543665.

Adding to 2221020222 its reverse (2220201222), we get a palindrome (4441221444).

The spelling of 2221020222 in words is "two billion, two hundred twenty-one million, twenty thousand, two hundred twenty-two".