2322220 has 24 divisors (see below), whose sum is σ = 4952304. Its totient is φ = 914496.

The previous prime is 2322211. The next prime is 2322227. The reversal of 2322220 is 222232.

2322220 = T₄₀ + T₄₁ + ... + T₂₄₀.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2322220.

It is not an unprimeable number, because it can be changed into a prime (2322227) 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, 474 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (206346).

2^2322220 is an apocalyptic number.

2322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2322220 is an abundant number, since it is smaller than the sum of its proper divisors (2630084).

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

2322220 is a wasteful number, since it uses less digits than its factorization.

2322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2322220 is about 1523.8831976238. The cubic root of 2322220 is about 132.4243308303.

Adding to 2322220 its reverse (222232), we get a palindrome (2544452).

The spelling of 2322220 in words is "two million, three hundred twenty-two thousand, two hundred twenty".