2255217331 has 16 divisors (see below), whose sum is σ = 2515635360. Its totient is φ = 2009180160.

The previous prime is 2255217313. The next prime is 2255217337. The reversal of 2255217331 is 1337125522.

It is a cyclic number.

It is not a de Polignac number, because 2255217331 - 2⁵ = 2255217299 is a prime.

It is a super-2 number, since 2×2255217331² = 10172010420085527122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255217293 and 2255217302.

It is not an unprimeable number, because it can be changed into a prime (2255217337) 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, 553855 + ... + 557911.

It is an arithmetic number, because the mean of its divisors is an integer number (157227210).

Almost surely, 2^2255217331 is an apocalyptic number.

2255217331 is a deficient number, since it is larger than the sum of its proper divisors (260418029).

2255217331 is a wasteful number, since it uses less digits than its factorization.

2255217331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814.

The product of its digits is 12600, while the sum is 31.

The square root of 2255217331 is about 47489.1285559127. The cubic root of 2255217331 is about 1311.3827504615.

The spelling of 2255217331 in words is "two billion, two hundred fifty-five million, two hundred seventeen thousand, three hundred thirty-one".