2221008 has 20 divisors (see below), whose sum is σ = 5737728. Its totient is φ = 740320.

The previous prime is 2221007. The next prime is 2221019. The reversal of 2221008 is 8001222.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221007) 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, 23088 + ... + 23183.

2^2221008 is an apocalyptic number.

It is an amenable number.

2221008 is an abundant number, since it is smaller than the sum of its proper divisors (3516720).

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

2221008 is a wasteful number, since it uses less digits than its factorization.

2221008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46282 (or 46276 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2221008 is about 1490.3046668383. The cubic root of 2221008 is about 130.4718161123.

The spelling of 2221008 in words is "two million, two hundred twenty-one thousand, eight".