1089922018 has 16 divisors (see below), whose sum is σ = 1650401280. Its totient is φ = 539812800.

The previous prime is 1089921991. The next prime is 1089922021. The reversal of 1089922018 is 8102299801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86143 + ... + 97981.

It is an arithmetic number, because the mean of its divisors is an integer number (103150080).

Almost surely, 2^1089922018 is an apocalyptic number.

1089922018 is a deficient number, since it is larger than the sum of its proper divisors (560479262).

1089922018 is a wasteful number, since it uses less digits than its factorization.

1089922018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 1089922018 is about 33013.9670139776. The cubic root of 1089922018 is about 1029.1179232988.

The spelling of 1089922018 in words is "one billion, eighty-nine million, nine hundred twenty-two thousand, eighteen".