2270630881 has 4 divisors (see below), whose sum is σ = 2326012164. Its totient is φ = 2215249600.

The previous prime is 2270630839. The next prime is 2270630899. The reversal of 2270630881 is 1880360722.

2270630881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 623001600 + 1647629281 = 24960^2 + 40591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2270630881 - 2¹³ = 2270622689 is a prime.

It is a super-2 number, since 2×2270630881² = 10311529195501672322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2270630881.

It is not an unprimeable number, because it can be changed into a prime (2270630581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27690580 + ... + 27690661.

It is an arithmetic number, because the mean of its divisors is an integer number (581503041).

Almost surely, 2^2270630881 is an apocalyptic number.

It is an amenable number.

2270630881 is a deficient number, since it is larger than the sum of its proper divisors (55381283).

2270630881 is an equidigital number, since it uses as much as digits as its factorization.

2270630881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55381282.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2270630881 is about 47651.1372477090. The cubic root of 2270630881 is about 1314.3635700700.

The spelling of 2270630881 in words is "two billion, two hundred seventy million, six hundred thirty thousand, eight hundred eighty-one".