2221046000 has 40 divisors (see below), whose sum is σ = 5370494064. Its totient is φ = 888417600.

The previous prime is 2221045999. The next prime is 2221046033. The reversal of 2221046000 is 6401222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2221046000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553262 + ... + 557261.

Almost surely, 2^2221046000 is an apocalyptic number.

2221046000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221046000 is an abundant number, since it is smaller than the sum of its proper divisors (3149448064).

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

2221046000 is a wasteful number, since it uses less digits than its factorization.

2221046000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110546 (or 1110530 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221046000 is about 47127.9747071737. The cubic root of 2221046000 is about 1304.7256020402.

Adding to 2221046000 its reverse (6401222), we get a palindrome (2227447222).

The spelling of 2221046000 in words is "two billion, two hundred twenty-one million, forty-six thousand".