1099649922 has 32 divisors (see below), whose sum is σ = 2571942912. Its totient is φ = 306878544.

The previous prime is 1099649897. The next prime is 1099649951. The reversal of 1099649922 is 2299469901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302638 + ... + 306249.

It is an arithmetic number, because the mean of its divisors is an integer number (80373216).

Almost surely, 2^1099649922 is an apocalyptic number.

1099649922 is an abundant number, since it is smaller than the sum of its proper divisors (1472292990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099649922 is a wasteful number, since it uses less digits than its factorization.

1099649922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608942.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 1099649922 is about 33160.9698591582. The cubic root of 1099649922 is about 1032.1705951832.

The spelling of 1099649922 in words is "one billion, ninety-nine million, six hundred forty-nine thousand, nine hundred twenty-two".