2193075 has 54 divisors (see below), whose sum is σ = 4299204. Its totient is φ = 1108080.

The previous prime is 2193053. The next prime is 2193077. The reversal of 2193075 is 5703912.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 2193075 - 2⁷ = 2192947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2193077) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 115416 + ... + 115434.

2^2193075 is an apocalyptic number.

2193075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2193075 is a deficient number, since it is larger than the sum of its proper divisors (2106129).

2193075 is an equidigital number, since it uses as much as digits as its factorization.

2193075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2193075 is about 1480.9034404714. The cubic root of 2193075 is about 129.9225376786.

Multiplying 2193075 by its sum of digits (27), we get a square (59213025 = 7695²).

2193075 divided by its sum of digits (27) gives a square (81225 = 285²).

Adding to 2193075 its reverse (5703912), we get a palindrome (7896987).

It can be divided in two parts, 21 and 93075, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 2193075 in words is "two million, one hundred ninety-three thousand, seventy-five".