234220073 has 2 divisors, whose sum is σ = 234220074. Its totient is φ = 234220072.

The previous prime is 234220061. The next prime is 234220099. The reversal of 234220073 is 370022432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203005504 + 31214569 = 14248^2 + 5587^2 .

It is a cyclic number.

It is not a de Polignac number, because 234220073 - 2⁴ = 234220057 is a prime.

It is a super-2 number, since 2×234220073² = 109718085192250658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234220013) 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, 117110036 + 117110037.

It is an arithmetic number, because the mean of its divisors is an integer number (117110037).

Almost surely, 2^234220073 is an apocalyptic number.

It is an amenable number.

234220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

234220073 is an equidigital number, since it uses as much as digits as its factorization.

234220073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 234220073 is about 15304.2501613114. The cubic root of 234220073 is about 616.4171369622.

The spelling of 234220073 in words is "two hundred thirty-four million, two hundred twenty thousand, seventy-three".