2221386 has 16 divisors (see below), whose sum is σ = 4636224. Its totient is φ = 708224.

The previous prime is 2221381. The next prime is 2221391. The reversal of 2221386 is 6831222.

It is an interprime number because it is at equal distance from previous prime (2221381) and next prime (2221391).

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹⁴ + 2¹⁹ + 1 + 3² + 8² + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (2221381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7911 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (289764).

2^2221386 is an apocalyptic number.

2221386 is an abundant number, since it is smaller than the sum of its proper divisors (2414838).

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

2221386 is a wasteful number, since it uses less digits than its factorization.

2221386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125.

The product of its digits is 1152, while the sum is 24.

The square root of 2221386 is about 1490.4314811490. The cubic root of 2221386 is about 130.4792174888.

The spelling of 2221386 in words is "two million, two hundred twenty-one thousand, three hundred eighty-six".