227194221 has 4 divisors (see below), whose sum is σ = 302925632. Its totient is φ = 151462812.

The previous prime is 227194211. The next prime is 227194223. The reversal of 227194221 is 122491722.

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 not a de Polignac number, because 227194221 - 2⁵ = 227194189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227194223) 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, 37865701 + ... + 37865706.

It is an arithmetic number, because the mean of its divisors is an integer number (75731408).

Almost surely, 2^227194221 is an apocalyptic number.

It is an amenable number.

227194221 is a deficient number, since it is larger than the sum of its proper divisors (75731411).

227194221 is an equidigital number, since it uses as much as digits as its factorization.

227194221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75731410.

The product of its digits is 4032, while the sum is 30.

The square root of 227194221 is about 15072.9632454936. The cubic root of 227194221 is about 610.1909471197.

The spelling of 227194221 in words is "two hundred twenty-seven million, one hundred ninety-four thousand, two hundred twenty-one".