2228866637 has 4 divisors (see below), whose sum is σ = 2246416896. Its totient is φ = 2211316380.

The previous prime is 2228866631. The next prime is 2228866657. The reversal of 2228866637 is 7366688222.

2228866637 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 not a de Polignac number, because 2228866637 - 2⁴ = 2228866621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228866631) 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, 8774939 + ... + 8775192.

It is an arithmetic number, because the mean of its divisors is an integer number (561604224).

Almost surely, 2^2228866637 is an apocalyptic number.

It is an amenable number.

2228866637 is a deficient number, since it is larger than the sum of its proper divisors (17550259).

2228866637 is a wasteful number, since it uses less digits than its factorization.

2228866637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17550258.

The product of its digits is 2322432, while the sum is 50.

The square root of 2228866637 is about 47210.8741393336. The cubic root of 2228866637 is about 1306.2551864999.

The spelling of 2228866637 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-six thousand, six hundred thirty-seven".