2235283281 has 24 divisors (see below), whose sum is σ = 4025446464. Its totient is φ = 1161185760.

The previous prime is 2235283277. The next prime is 2235283283. The reversal of 2235283281 is 1823825322.

It is a happy number.

2235283281 is a `hidden beast` number, since 2 + 23 + 528 + 32 + 81 = 666.

It is not a de Polignac number, because 2235283281 - 2² = 2235283277 is a prime.

It is a super-2 number, since 2×2235283281² = 9992982692636249922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2235283283) 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 23 ways as a sum of consecutive naturals, for example, 1612066 + ... + 1613451.

It is an arithmetic number, because the mean of its divisors is an integer number (167726936).

Almost surely, 2^2235283281 is an apocalyptic number.

2235283281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2235283281 is a deficient number, since it is larger than the sum of its proper divisors (1790163183).

2235283281 is a wasteful number, since it uses less digits than its factorization.

2235283281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225541 (or 3225538 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2235283281 is about 47278.7825668132. The cubic root of 2235283281 is about 1307.5075036829.

The spelling of 2235283281 in words is "two billion, two hundred thirty-five million, two hundred eighty-three thousand, two hundred eighty-one".