1000022446 has 4 divisors (see below), whose sum is σ = 1500033672. Its totient is φ = 500011222.

The previous prime is 1000022417. The next prime is 1000022449. The reversal of 1000022446 is 6442200001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250005610 + ... + 250005613.

It is an arithmetic number, because the mean of its divisors is an integer number (375008418).

Almost surely, 2^1000022446 is an apocalyptic number.

1000022446 is a deficient number, since it is larger than the sum of its proper divisors (500011226).

1000022446 is an equidigital number, since it uses as much as digits as its factorization.

1000022446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500011225.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1000022446 is about 31623.1315021141. The cubic root of 1000022446 is about 1000.0074819440.

Adding to 1000022446 its reverse (6442200001), we get a palindrome (7442222447).

The spelling of 1000022446 in words is "one billion, twenty-two thousand, four hundred forty-six".