2555283221 has 8 divisors (see below), whose sum is σ = 2702047488. Its totient is φ = 2412540000.

The previous prime is 2555283197. The next prime is 2555283281. The reversal of 2555283221 is 1223825552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555283221 is a prime.

It is a super-3 number, since 3×2555283221³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555283281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003955 + ... + 1006496.

It is an arithmetic number, because the mean of its divisors is an integer number (337755936).

Almost surely, 2^2555283221 is an apocalyptic number.

It is an amenable number.

2555283221 is a deficient number, since it is larger than the sum of its proper divisors (146764267).

2555283221 is a wasteful number, since it uses less digits than its factorization.

2555283221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010523.

The product of its digits is 48000, while the sum is 35.

The square root of 2555283221 is about 50549.8093072565. The cubic root of 2555283221 is about 1367.1400763726.

The spelling of 2555283221 in words is "two billion, five hundred fifty-five million, two hundred eighty-three thousand, two hundred twenty-one".