226622623 has 2 divisors, whose sum is σ = 226622624. Its totient is φ = 226622622.

The previous prime is 226622603. The next prime is 226622653. The reversal of 226622623 is 326226622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226622623 - 2¹³ = 226614431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226622603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113311311 + 113311312.

It is an arithmetic number, because the mean of its divisors is an integer number (113311312).

Almost surely, 2^226622623 is an apocalyptic number.

226622623 is a deficient number, since it is larger than the sum of its proper divisors (1).

226622623 is an equidigital number, since it uses as much as digits as its factorization.

226622623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 226622623 is about 15053.9902683641. The cubic root of 226622623 is about 609.6787908468.

The spelling of 226622623 in words is "two hundred twenty-six million, six hundred twenty-two thousand, six hundred twenty-three".