2205958 has 4 divisors (see below), whose sum is σ = 3308940. Its totient is φ = 1102978.

The previous prime is 2205949. The next prime is 2205989. The reversal of 2205958 is 8595022.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551488 + ... + 551491.

It is an arithmetic number, because the mean of its divisors is an integer number (827235).

2^2205958 is an apocalyptic number.

2205958 is a deficient number, since it is larger than the sum of its proper divisors (1102982).

2205958 is a wasteful number, since it uses less digits than its factorization.

2205958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102981.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2205958 is about 1485.2467808415. The cubic root of 2205958 is about 130.1764467939.

The spelling of 2205958 in words is "two million, two hundred five thousand, nine hundred fifty-eight".