2193030 has 72 divisors (see below), whose sum is σ = 6628752. Its totient is φ = 492768.

The previous prime is 2193019. The next prime is 2193031. The reversal of 2193030 is 303912.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2192994 and 2193012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37141 + ... + 37199.

It is an arithmetic number, because the mean of its divisors is an integer number (92066).

2^2193030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3314376).

2193030 is an abundant number, since it is smaller than the sum of its proper divisors (4435722).

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

2193030 is a wasteful number, since it uses less digits than its factorization.

2193030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2193030 is about 1480.8882469653. Note that the first 3 decimals coincide. The cubic root of 2193030 is about 129.9216490399.

Adding to 2193030 its reverse (303912), we get a palindrome (2496942).

It can be divided in two parts, 219 and 3030, that added together give a square (3249 = 57²).

The spelling of 2193030 in words is "two million, one hundred ninety-three thousand, thirty".