2146428227 has 4 divisors (see below), whose sum is σ = 2167267440. Its totient is φ = 2125589016.

The previous prime is 2146428217. The next prime is 2146428247. The reversal of 2146428227 is 7228246412.

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

It is a cyclic number.

It is not a de Polignac number, because 2146428227 - 2⁸ = 2146427971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146428217) 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, 10419452 + ... + 10419657.

It is an arithmetic number, because the mean of its divisors is an integer number (541816860).

Almost surely, 2^2146428227 is an apocalyptic number.

2146428227 is a deficient number, since it is larger than the sum of its proper divisors (20839213).

2146428227 is a wasteful number, since it uses less digits than its factorization.

2146428227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20839212.

The product of its digits is 86016, while the sum is 38.

The square root of 2146428227 is about 46329.5610490754. The cubic root of 2146428227 is about 1289.9477628428.

The spelling of 2146428227 in words is "two billion, one hundred forty-six million, four hundred twenty-eight thousand, two hundred twenty-seven".