385222039 has 2 divisors, whose sum is σ = 385222040. Its totient is φ = 385222038.

The previous prime is 385222003. The next prime is 385222063. The reversal of 385222039 is 930222583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385222039 - 2¹⁹ = 384697751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385221995 and 385222013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385222069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192611019 + 192611020.

It is an arithmetic number, because the mean of its divisors is an integer number (192611020).

Almost surely, 2^385222039 is an apocalyptic number.

385222039 is a deficient number, since it is larger than the sum of its proper divisors (1).

385222039 is an equidigital number, since it uses as much as digits as its factorization.

385222039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 385222039 is about 19627.0741324325. The cubic root of 385222039 is about 727.6184596290.

The spelling of 385222039 in words is "three hundred eighty-five million, two hundred twenty-two thousand, thirty-nine".