64380229 has 2 divisors, whose sum is σ = 64380230. Its totient is φ = 64380228.

The previous prime is 64380223. The next prime is 64380247. The reversal of 64380229 is 92208346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63520900 + 859329 = 7970^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 64380229 - 2³ = 64380221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64380194 and 64380203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64380221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32190114 + 32190115.

It is an arithmetic number, because the mean of its divisors is an integer number (32190115).

Almost surely, 2^64380229 is an apocalyptic number.

It is an amenable number.

64380229 is a deficient number, since it is larger than the sum of its proper divisors (1).

64380229 is an equidigital number, since it uses as much as digits as its factorization.

64380229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 64380229 is about 8023.7291205524. The cubic root of 64380229 is about 400.7905801780.

The spelling of 64380229 in words is "sixty-four million, three hundred eighty thousand, two hundred twenty-nine".