227679397 has 4 divisors (see below), whose sum is σ = 248377536. Its totient is φ = 206981260.

The previous prime is 227679391. The next prime is 227679409. The reversal of 227679397 is 793976722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227679397 - 2⁷ = 227679269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227679391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10349053 + ... + 10349074.

It is an arithmetic number, because the mean of its divisors is an integer number (62094384).

Almost surely, 2^227679397 is an apocalyptic number.

It is an amenable number.

227679397 is a deficient number, since it is larger than the sum of its proper divisors (20698139).

227679397 is a wasteful number, since it uses less digits than its factorization.

227679397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20698138.

The product of its digits is 2000376, while the sum is 52.

The square root of 227679397 is about 15089.0489097226. The cubic root of 227679397 is about 610.6249950045.

The spelling of 227679397 in words is "two hundred twenty-seven million, six hundred seventy-nine thousand, three hundred ninety-seven".