229220623 has 2 divisors, whose sum is σ = 229220624. Its totient is φ = 229220622.

The previous prime is 229220609. The next prime is 229220647. The reversal of 229220623 is 326022922.

229220623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229220623 - 2⁹ = 229220111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229220591 and 229220600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229220653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114610311 + 114610312.

It is an arithmetic number, because the mean of its divisors is an integer number (114610312).

Almost surely, 2^229220623 is an apocalyptic number.

229220623 is a deficient number, since it is larger than the sum of its proper divisors (1).

229220623 is an equidigital number, since it uses as much as digits as its factorization.

229220623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 229220623 is about 15140.0337846387. The cubic root of 229220623 is about 611.9997285587. Note that the first 3 decimals are identical.

The spelling of 229220623 in words is "two hundred twenty-nine million, two hundred twenty thousand, six hundred twenty-three".