2205510405 has 32 divisors (see below), whose sum is σ = 4245196800. Its totient is φ = 955167552.

The previous prime is 2205510347. The next prime is 2205510431. The reversal of 2205510405 is 5040155022.

It is a happy number.

It is not a de Polignac number, because 2205510405 - 2⁶ = 2205510341 is a prime.

It is a super-2 number, since 2×2205510405² = 9728552293126528050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550765 + ... + 554754.

It is an arithmetic number, because the mean of its divisors is an integer number (132662400).

Almost surely, 2^2205510405 is an apocalyptic number.

It is an amenable number.

2205510405 is a deficient number, since it is larger than the sum of its proper divisors (2039686395).

2205510405 is a wasteful number, since it uses less digits than its factorization.

2205510405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105553.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2205510405 is about 46962.8619762467. The cubic root of 2205510405 is about 1301.6764181096.

Adding to 2205510405 its reverse (5040155022), we get a palindrome (7245665427).

The spelling of 2205510405 in words is "two billion, two hundred five million, five hundred ten thousand, four hundred five".