2202222 has 32 divisors (see below), whose sum is σ = 4892544. Its totient is φ = 655200.

The previous prime is 2202169. The next prime is 2202253. The reversal of 2202222 is 2222022.

2202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2202222 is a modest number, since divided by 2222 gives 220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2202198 and 2202207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3753 + ... + 4299.

It is an arithmetic number, because the mean of its divisors is an integer number (152892).

2^2202222 is an apocalyptic number.

2202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446272).

2202222 is an abundant number, since it is smaller than the sum of its proper divisors (2690322).

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

2202222 is a wasteful number, since it uses less digits than its factorization.

2202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2202222 is about 1483.9885444302. The cubic root of 2202222 is about 130.1029165306.

Adding to 2202222 its reverse (2222022), we get a palindrome (4424244).

It can be divided in two parts, 22022 and 22, that multiplied together give a palindrome (484484).

The spelling of 2202222 in words is "two million, two hundred two thousand, two hundred twenty-two".