2193290 has 32 divisors (see below), whose sum is σ = 4368384. Its totient is φ = 786240.

The previous prime is 2193271. The next prime is 2193311. The reversal of 2193290 is 923912.

2193290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13892 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (136512).

2^2193290 is an apocalyptic number.

2193290 is a deficient number, since it is larger than the sum of its proper divisors (2175094).

2193290 is a wasteful number, since it uses less digits than its factorization.

2193290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2193290 is about 1480.9760295157. The cubic root of 2193290 is about 129.9267832292.

It can be divided in two parts, 21932 and 90, that added together give a palindrome (22022).

The spelling of 2193290 in words is "two million, one hundred ninety-three thousand, two hundred ninety".