2193430 has 16 divisors (see below), whose sum is σ = 4040784. Its totient is φ = 856800.

The previous prime is 2193421. The next prime is 2193439. The reversal of 2193430 is 343912.

It is an interprime number because it is at equal distance from previous prime (2193421) and next prime (2193439).

It is a super-2 number, since 2×2193430² = 9622270329800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 9² + 3¹² + 4⁸ + 3¹³ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193439) 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, 2121 + ... + 2980.

It is an arithmetic number, because the mean of its divisors is an integer number (252549).

2^2193430 is an apocalyptic number.

2193430 is a deficient number, since it is larger than the sum of its proper divisors (1847354).

2193430 is a wasteful number, since it uses less digits than its factorization.

2193430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2193430 is about 1481.0232948877. The cubic root of 2193430 is about 129.9295476247.

The spelling of 2193430 in words is "two million, one hundred ninety-three thousand, four hundred thirty".