2210222 has 16 divisors (see below), whose sum is σ = 3870720.
Its totient is φ = 926808.
The previous prime is 2210209. The next prime is 2210227. The reversal of 2210222 is 2220122.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2210227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 2337.
It is an arithmetic number, because the mean of its divisors is an integer number (241920).
22210222 is an apocalyptic number.
2210222 is a deficient number, since it is larger than the sum of its proper divisors (1660498).
2210222 is a wasteful number, since it uses less digits than its factorization.
2210222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3415.
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 2210222 is about 1486.6815395370.
The cubic root of 2210222 is about 130.2602675362.
Adding to 2210222 its reverse (2220122), we get a palindrome (4430344).
The spelling of 2210222 in words is "two million, two hundred ten thousand, two hundred twenty-two".