284722227 has 12 divisors (see below), whose sum is σ = 412448400. Its totient is φ = 189268848.

The previous prime is 284722219. The next prime is 284722253. The reversal of 284722227 is 722227482.

It is not a de Polignac number, because 284722227 - 2³ = 284722219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284722191 and 284722200.

It is not an unprimeable number, because it can be changed into a prime (284727227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42183 + ... + 48464.

It is an arithmetic number, because the mean of its divisors is an integer number (34370700).

Almost surely, 2^284722227 is an apocalyptic number.

284722227 is a deficient number, since it is larger than the sum of its proper divisors (127726173).

284722227 is a wasteful number, since it uses less digits than its factorization.

284722227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91002 (or 90999 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 284722227 is about 16873.7140843384. The cubic root of 284722227 is about 657.8705680938.

The spelling of 284722227 in words is "two hundred eighty-four million, seven hundred twenty-two thousand, two hundred twenty-seven".