1389073622 has 16 divisors (see below), whose sum is σ = 2198822640. Its totient is φ = 656317728.

The previous prime is 1389073597. The next prime is 1389073627. The reversal of 1389073622 is 2263709831.

It is a self number, because there is not a number n which added to its sum of digits gives 1389073622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389073627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30953 + ... + 61124.

It is an arithmetic number, because the mean of its divisors is an integer number (137426415).

Almost surely, 2^1389073622 is an apocalyptic number.

1389073622 is a deficient number, since it is larger than the sum of its proper divisors (809749018).

1389073622 is a wasteful number, since it uses less digits than its factorization.

1389073622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92495.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1389073622 is about 37270.2779973533. The cubic root of 1389073622 is about 1115.7710478499.

The spelling of 1389073622 in words is "one billion, three hundred eighty-nine million, seventy-three thousand, six hundred twenty-two".