1099093444 has 12 divisors (see below), whose sum is σ = 1929226768. Its totient is φ = 547885800.

The previous prime is 1099093439. The next prime is 1099093447. The reversal of 1099093444 is 4443909901.

It is a happy number.

It is a super-2 number, since 2×1099093444² = 2416012797287562272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1099093444.

It is not an unprimeable number, because it can be changed into a prime (1099093447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413742 + ... + 416389.

Almost surely, 2^1099093444 is an apocalyptic number.

It is an amenable number.

1099093444 is a deficient number, since it is larger than the sum of its proper divisors (830133324).

1099093444 is a wasteful number, since it uses less digits than its factorization.

1099093444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830466 (or 830464 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1099093444 is about 33152.5782406135. The cubic root of 1099093444 is about 1031.9964557797.

The spelling of 1099093444 in words is "one billion, ninety-nine million, ninety-three thousand, four hundred forty-four".