2225635181 has 16 divisors (see below), whose sum is σ = 2895464448. Its totient is φ = 1658857200.

The previous prime is 2225635141. The next prime is 2225635207. The reversal of 2225635181 is 1815365222.

It is not a de Polignac number, because 2225635181 - 2⁶ = 2225635117 is a prime.

It is a super-2 number, since 2×2225635181² = 9906903917809805522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225635141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626585 + ... + 630126.

It is an arithmetic number, because the mean of its divisors is an integer number (180966528).

Almost surely, 2^2225635181 is an apocalyptic number.

It is an amenable number.

2225635181 is a deficient number, since it is larger than the sum of its proper divisors (669829267).

2225635181 is a wasteful number, since it uses less digits than its factorization.

2225635181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256752.

The product of its digits is 28800, while the sum is 35.

The square root of 2225635181 is about 47176.6380849674. The cubic root of 2225635181 is about 1305.6236027638.

The spelling of 2225635181 in words is "two billion, two hundred twenty-five million, six hundred thirty-five thousand, one hundred eighty-one".