226223551 has 2 divisors, whose sum is σ = 226223552. Its totient is φ = 226223550.

The previous prime is 226223521. The next prime is 226223593. The reversal of 226223551 is 155322622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226223551 - 2¹¹ = 226221503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226223521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113111775 + 113111776.

It is an arithmetic number, because the mean of its divisors is an integer number (113111776).

Almost surely, 2^226223551 is an apocalyptic number.

226223551 is a deficient number, since it is larger than the sum of its proper divisors (1).

226223551 is an equidigital number, since it uses as much as digits as its factorization.

226223551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 226223551 is about 15040.7297362861. The cubic root of 226223551 is about 609.3207084868.

The spelling of 226223551 in words is "two hundred twenty-six million, two hundred twenty-three thousand, five hundred fifty-one".