2355566 has 8 divisors (see below), whose sum is σ = 3647424. Its totient is φ = 1139760.

The previous prime is 2355559. The next prime is 2355581. The reversal of 2355566 is 6655532.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3¹¹ + 5 + 5⁵ + 5⁷ + 6 + 6 .

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18935 + ... + 19058.

It is an arithmetic number, because the mean of its divisors is an integer number (455928).

2^2355566 is an apocalyptic number.

2355566 is a deficient number, since it is larger than the sum of its proper divisors (1291858).

2355566 is a wasteful number, since it uses less digits than its factorization.

2355566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38026.

The product of its digits is 27000, while the sum is 32.

The square root of 2355566 is about 1534.7853270083. The cubic root of 2355566 is about 133.0551714873.

The spelling of 2355566 in words is "two million, three hundred fifty-five thousand, five hundred sixty-six".