1000022444 has 12 divisors (see below), whose sum is σ = 1783059264. Its totient is φ = 490576944.

The previous prime is 1000022417. The next prime is 1000022449. The reversal of 1000022444 is 4442200001.

It is not an unprimeable number, because it can be changed into a prime (1000022449) 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, 2358332 + ... + 2358755.

It is an arithmetic number, because the mean of its divisors is an integer number (148588272).

Almost surely, 2^1000022444 is an apocalyptic number.

It is an amenable number.

1000022444 is a deficient number, since it is larger than the sum of its proper divisors (783036820).

1000022444 is a wasteful number, since it uses less digits than its factorization.

1000022444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717144 (or 4717142 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1000022444 is about 31623.1314704917. The cubic root of 1000022444 is about 1000.0074812774.

Adding to 1000022444 its reverse (4442200001), we get a palindrome (5442222445).

The spelling of 1000022444 in words is "one billion, twenty-two thousand, four hundred forty-four".