2228983649 has 4 divisors (see below), whose sum is σ = 2237459136. Its totient is φ = 2220508164.

The previous prime is 2228983639. The next prime is 2228983681. The reversal of 2228983649 is 9463898222.

2228983649 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2228983649 - 2⁴ = 2228983633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228983649.

It is not an unprimeable number, because it can be changed into a prime (2228983639) 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, 4237349 + ... + 4237874.

It is an arithmetic number, because the mean of its divisors is an integer number (559364784).

Almost surely, 2^2228983649 is an apocalyptic number.

It is an amenable number.

2228983649 is a deficient number, since it is larger than the sum of its proper divisors (8475487).

2228983649 is an equidigital number, since it uses as much as digits as its factorization.

2228983649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475486.

The product of its digits is 2985984, while the sum is 53.

The square root of 2228983649 is about 47212.1133714643. The cubic root of 2228983649 is about 1306.2780448822.

The spelling of 2228983649 in words is "two billion, two hundred twenty-eight million, nine hundred eighty-three thousand, six hundred forty-nine".