223778227 has 2 divisors, whose sum is σ = 223778228. Its totient is φ = 223778226.

The previous prime is 223778213. The next prime is 223778237. The reversal of 223778227 is 722877322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223778227 - 2⁷ = 223778099 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223778227.

It is not a weakly prime, because it can be changed into another prime (223778207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111889113 + 111889114.

It is an arithmetic number, because the mean of its divisors is an integer number (111889114).

Almost surely, 2^223778227 is an apocalyptic number.

223778227 is a deficient number, since it is larger than the sum of its proper divisors (1).

223778227 is an equidigital number, since it uses as much as digits as its factorization.

223778227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 40.

The square root of 223778227 is about 14959.2187964479. The cubic root of 223778227 is about 607.1173015732.

The spelling of 223778227 in words is "two hundred twenty-three million, seven hundred seventy-eight thousand, two hundred twenty-seven".