227279979 has 16 divisors (see below), whose sum is σ = 340771200. Its totient is φ = 149692968.

The previous prime is 227279963. The next prime is 227279999. The reversal of 227279979 is 979972722.

It is not a de Polignac number, because 227279979 - 2⁴ = 227279963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227279939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48469 + ... + 52950.

It is an arithmetic number, because the mean of its divisors is an integer number (21298200).

Almost surely, 2^227279979 is an apocalyptic number.

227279979 is a deficient number, since it is larger than the sum of its proper divisors (113491221).

227279979 is a wasteful number, since it uses less digits than its factorization.

227279979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101511 (or 101505 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 227279979 is about 15075.8077395541. The cubic root of 227279979 is about 610.2677128231.

The spelling of 227279979 in words is "two hundred twenty-seven million, two hundred seventy-nine thousand, nine hundred seventy-nine".