2146217227 has 32 divisors (see below), whose sum is σ = 2754823680. Its totient is φ = 1623214080.

The previous prime is 2146217191. The next prime is 2146217233. The reversal of 2146217227 is 7227126412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146217227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2146217192 and 2146217201.

It is not an unprimeable number, because it can be changed into a prime (2146217027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762923 + ... + 1764139.

It is an arithmetic number, because the mean of its divisors is an integer number (86088240).

Almost surely, 2^2146217227 is an apocalyptic number.

2146217227 is a deficient number, since it is larger than the sum of its proper divisors (608606453).

2146217227 is a wasteful number, since it uses less digits than its factorization.

2146217227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its digits is 18816, while the sum is 34.

The square root of 2146217227 is about 46327.2838292944. The cubic root of 2146217227 is about 1289.9054929463.

The spelling of 2146217227 in words is "two billion, one hundred forty-six million, two hundred seventeen thousand, two hundred twenty-seven".