945870227 has 4 divisors (see below), whose sum is σ = 948302160. Its totient is φ = 943438296.

The previous prime is 945870223. The next prime is 945870251. The reversal of 945870227 is 722078549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722078549 = 1373 ⋅525913.

It is a cyclic number.

It is not a de Polignac number, because 945870227 - 2² = 945870223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945870221) 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, 1215383 + ... + 1216160.

It is an arithmetic number, because the mean of its divisors is an integer number (237075540).

Almost surely, 2^945870227 is an apocalyptic number.

945870227 is a deficient number, since it is larger than the sum of its proper divisors (2431933).

945870227 is a wasteful number, since it uses less digits than its factorization.

945870227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431932.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 945870227 is about 30755.0032840187. The cubic root of 945870227 is about 981.6210250026.

The spelling of 945870227 in words is "nine hundred forty-five million, eight hundred seventy thousand, two hundred twenty-seven".