1069444444 has 12 divisors (see below), whose sum is σ = 1881029304. Its totient is φ = 532007504.

The previous prime is 1069444421. The next prime is 1069444447. The reversal of 1069444444 is 4444449601.

It is a super-2 number, since 2×1069444444² = 2287422837604938272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069444397 and 1069444406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069444447) 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, 677794 + ... + 679369.

It is an arithmetic number, because the mean of its divisors is an integer number (156752442).

Almost surely, 2^1069444444 is an apocalyptic number.

It is an amenable number.

1069444444 is a deficient number, since it is larger than the sum of its proper divisors (811584860).

1069444444 is a wasteful number, since it uses less digits than its factorization.

1069444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357364 (or 1357362 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 1069444444 is about 32702.3614437857. The cubic root of 1069444444 is about 1022.6320731353.

The spelling of 1069444444 in words is "one billion, sixty-nine million, four hundred forty-four thousand, four hundred forty-four".