2200122 has 32 divisors (see below), whose sum is σ = 4959360. Its totient is φ = 731916.

The previous prime is 2200103. The next prime is 2200139. The reversal of 2200122 is 2210022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 4123 + ... + 4625.

It is an arithmetic number, because the mean of its divisors is an integer number (154980).

2^2200122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2200122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479680).

2200122 is an abundant number, since it is smaller than the sum of its proper divisors (2759238).

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

2200122 is an frugal number, since it uses more digits than its factorization.

2200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2200122 is about 1483.2808230406. The cubic root of 2200122 is about 130.0615487643.

Adding to 2200122 its reverse (2210022), we get a palindrome (4410144).

The spelling of 2200122 in words is "two million, two hundred thousand, one hundred twenty-two".