229722733 has 2 divisors, whose sum is σ = 229722734. Its totient is φ = 229722732.

The previous prime is 229722709. The next prime is 229722739. The reversal of 229722733 is 337227922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218951209 + 10771524 = 14797^2 + 3282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229722733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229722692 and 229722701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229722739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114861366 + 114861367.

It is an arithmetic number, because the mean of its divisors is an integer number (114861367).

Almost surely, 2^229722733 is an apocalyptic number.

It is an amenable number.

229722733 is a deficient number, since it is larger than the sum of its proper divisors (1).

229722733 is an equidigital number, since it uses as much as digits as its factorization.

229722733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 229722733 is about 15156.6069091997. The cubic root of 229722733 is about 612.4462664510.

The spelling of 229722733 in words is "two hundred twenty-nine million, seven hundred twenty-two thousand, seven hundred thirty-three".