80401229 has 2 divisors, whose sum is σ = 80401230. Its totient is φ = 80401228.

The previous prime is 80401219. The next prime is 80401267. The reversal of 80401229 is 92210408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79245604 + 1155625 = 8902^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 80401229 - 2¹² = 80397133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80401198 and 80401207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80401219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40200614 + 40200615.

It is an arithmetic number, because the mean of its divisors is an integer number (40200615).

Almost surely, 2^80401229 is an apocalyptic number.

It is an amenable number.

80401229 is a deficient number, since it is larger than the sum of its proper divisors (1).

80401229 is an equidigital number, since it uses as much as digits as its factorization.

80401229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 80401229 is about 8966.6732403941. The cubic root of 80401229 is about 431.6060884731.

The spelling of 80401229 in words is "eighty million, four hundred one thousand, two hundred twenty-nine".