385222037 has 4 divisors (see below), whose sum is σ = 385262496. Its totient is φ = 385181580.

The previous prime is 385222003. The next prime is 385222039. The reversal of 385222037 is 730222583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 385222037 - 2⁶ = 385221973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385221994 and 385222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385222039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768 + ... + 27894.

It is an arithmetic number, because the mean of its divisors is an integer number (96315624).

Almost surely, 2^385222037 is an apocalyptic number.

It is an amenable number.

385222037 is a deficient number, since it is larger than the sum of its proper divisors (40459).

385222037 is a wasteful number, since it uses less digits than its factorization.

385222037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40458.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 385222037 is about 19627.0740814824. The cubic root of 385222037 is about 727.6184583697.

The spelling of 385222037 in words is "three hundred eighty-five million, two hundred twenty-two thousand, thirty-seven".