2272821255 has 16 divisors (see below), whose sum is σ = 4040571360. Its totient is φ = 1212171264.

The previous prime is 2272821251. The next prime is 2272821269. The reversal of 2272821255 is 5521282722.

It is not a de Polignac number, because 2272821255 - 2² = 2272821251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272821251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8417722 + ... + 8417991.

It is an arithmetic number, because the mean of its divisors is an integer number (252535710).

Almost surely, 2^2272821255 is an apocalyptic number.

2272821255 is a deficient number, since it is larger than the sum of its proper divisors (1767750105).

2272821255 is a wasteful number, since it uses less digits than its factorization.

2272821255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835727 (or 16835721 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 2272821255 is about 47674.1151464817. The cubic root of 2272821255 is about 1314.7860697639.

The spelling of 2272821255 in words is "two billion, two hundred seventy-two million, eight hundred twenty-one thousand, two hundred fifty-five".