2193755 has 8 divisors (see below), whose sum is σ = 2640624. Its totient is φ = 1749600.

The previous prime is 2193749. The next prime is 2193757. The reversal of 2193755 is 5573912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2193755 - 2⁴ = 2193739 is a prime.

It is a super-2 number, since 2×2193755² = 9625122000050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193757) 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, 2300 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (330078).

2^2193755 is an apocalyptic number.

2193755 is a deficient number, since it is larger than the sum of its proper divisors (446869).

2193755 is an equidigital number, since it uses as much as digits as its factorization.

2193755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its digits is 9450, while the sum is 32.

The square root of 2193755 is about 1481.1330122578. The cubic root of 2193755 is about 129.9359645178.

The spelling of 2193755 in words is "two million, one hundred ninety-three thousand, seven hundred fifty-five".