1385922770 has 16 divisors (see below), whose sum is σ = 2495188800. Its totient is φ = 554251824.

The previous prime is 1385922767. The next prime is 1385922779. The reversal of 1385922770 is 772295831.

It is not an unprimeable number, because it can be changed into a prime (1385922779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47531 + ... + 70929.

It is an arithmetic number, because the mean of its divisors is an integer number (155949300).

Almost surely, 2^1385922770 is an apocalyptic number.

1385922770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385922770 is a deficient number, since it is larger than the sum of its proper divisors (1109266030).

1385922770 is a wasteful number, since it uses less digits than its factorization.

1385922770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29329.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1385922770 is about 37227.9836950647. The cubic root of 1385922770 is about 1114.9267703118.

The spelling of 1385922770 in words is "one billion, three hundred eighty-five million, nine hundred twenty-two thousand, seven hundred seventy".