2342220 has 48 divisors (see below), whose sum is σ = 6639360. Its totient is φ = 616896.

The previous prime is 2342203. The next prime is 2342227. The reversal of 2342220 is 222432.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2342220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5991 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (138320).

2^2342220 is an apocalyptic number.

2342220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2342220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319680).

2342220 is an abundant number, since it is smaller than the sum of its proper divisors (4297140).

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

2342220 is a wasteful number, since it uses less digits than its factorization.

2342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2342220 is about 1530.4313117550. The cubic root of 2342220 is about 132.8034105429.

Adding to 2342220 its reverse (222432), we get a palindrome (2564652).

The spelling of 2342220 in words is "two million, three hundred forty-two thousand, two hundred twenty".