385137722 has 8 divisors (see below), whose sum is σ = 587498400. Its totient is φ = 189304924.

The previous prime is 385137673. The next prime is 385137751. The reversal of 385137722 is 227731583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631822 + ... + 1632057.

It is an arithmetic number, because the mean of its divisors is an integer number (73437300).

Almost surely, 2^385137722 is an apocalyptic number.

385137722 is a deficient number, since it is larger than the sum of its proper divisors (202360678).

385137722 is a wasteful number, since it uses less digits than its factorization.

385137722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263940.

The product of its digits is 70560, while the sum is 38.

The square root of 385137722 is about 19624.9260380772. The cubic root of 385137722 is about 727.5653689643.

The spelling of 385137722 in words is "three hundred eighty-five million, one hundred thirty-seven thousand, seven hundred twenty-two".