2205554 has 16 divisors (see below), whose sum is σ = 3651480. Its totient is φ = 992640.

The previous prime is 2205551. The next prime is 2205587. The reversal of 2205554 is 4555022.

2205554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 1677025 = 727^2 + 1295^2 .

It is a super-4 number, since 4×2205554⁴ (a number of 26 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205551) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 32 + ... + 2100.

It is the magic constant of a 164 × 164 magic square.

2^2205554 is an apocalyptic number.

2205554 is a deficient number, since it is larger than the sum of its proper divisors (1445926).

2205554 is a wasteful number, since it uses less digits than its factorization.

2205554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2205554 is about 1485.1107702794. The cubic root of 2205554 is about 130.1684994539.

The spelling of 2205554 in words is "two million, two hundred five thousand, five hundred fifty-four".