1389057224 has 16 divisors (see below), whose sum is σ = 2605819020. Its totient is φ = 694172160.

The previous prime is 1389057217. The next prime is 1389057259. The reversal of 1389057224 is 4227509831.

It can be written as a sum of positive squares in 2 ways, for example, as 1260960100 + 128097124 = 35510^2 + 11318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27617 + ... + 59504.

Almost surely, 2^1389057224 is an apocalyptic number.

It is an amenable number.

1389057224 is a deficient number, since it is larger than the sum of its proper divisors (1216761796).

1389057224 is a wasteful number, since it uses less digits than its factorization.

1389057224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89120 (or 89116 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1389057224 is about 37270.0580090775. The cubic root of 1389057224 is about 1115.7666572773.

The spelling of 1389057224 in words is "one billion, three hundred eighty-nine million, fifty-seven thousand, two hundred twenty-four".