395070229 has 2 divisors, whose sum is σ = 395070230. Its totient is φ = 395070228.

The previous prime is 395070167. The next prime is 395070253. The reversal of 395070229 is 922070593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392436100 + 2634129 = 19810^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 395070229 - 2⁷ = 395070101 is a prime.

It is a super-4 number, since 4×395070229⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395076229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197535114 + 197535115.

It is an arithmetic number, because the mean of its divisors is an integer number (197535115).

Almost surely, 2^395070229 is an apocalyptic number.

It is an amenable number.

395070229 is a deficient number, since it is larger than the sum of its proper divisors (1).

395070229 is an equidigital number, since it uses as much as digits as its factorization.

395070229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 395070229 is about 19876.3736380659. The cubic root of 395070229 is about 733.7668736488.

The spelling of 395070229 in words is "three hundred ninety-five million, seventy thousand, two hundred twenty-nine".