2227555 has 16 divisors (see below), whose sum is σ = 2952288. Its totient is φ = 1600000.

The previous prime is 2227543. The next prime is 2227583. The reversal of 2227555 is 5557222.

It is not a de Polignac number, because 2227555 - 2¹⁷ = 2096483 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 5355 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (184518).

2^2227555 is an apocalyptic number.

2227555 is a deficient number, since it is larger than the sum of its proper divisors (724733).

2227555 is a wasteful number, since it uses less digits than its factorization.

2227555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its digits is 7000, while the sum is 28.

The square root of 2227555 is about 1492.4995812395. The cubic root of 2227555 is about 130.5998902461.

It can be divided in two parts, 222 and 7555, that added together give a palindrome (7777).

The spelling of 2227555 in words is "two million, two hundred twenty-seven thousand, five hundred fifty-five".