2205494 has 4 divisors (see below), whose sum is σ = 3308244. Its totient is φ = 1102746.

The previous prime is 2205487. The next prime is 2205503. The reversal of 2205494 is 4945022.

2205494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 0 + 5³ + 4² + 9⁵ + 4⁷ .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 551372 + ... + 551375.

It is an arithmetic number, because the mean of its divisors is an integer number (827061).

2^2205494 is an apocalyptic number.

2205494 is a deficient number, since it is larger than the sum of its proper divisors (1102750).

2205494 is a wasteful number, since it uses less digits than its factorization.

2205494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102749.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2205494 is about 1485.0905696287. The cubic root of 2205494 is about 130.1673190730.

The spelling of 2205494 in words is "two million, two hundred five thousand, four hundred ninety-four".