2221495 has 16 divisors (see below), whose sum is σ = 2776032. Its totient is φ = 1705600.

The previous prime is 2221459. The next prime is 2221507. The reversal of 2221495 is 5941222.

It is not a de Polignac number, because 2221495 - 2²¹ = 124343 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹² + 2¹⁸ + 1 + 4⁵ + 9² + 5⁹ .

It is a Duffinian number.

2221495 is a lucky number.

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 15 ways as a sum of consecutive naturals, for example, 21945 + ... + 22045.

It is an arithmetic number, because the mean of its divisors is an integer number (173502).

2^2221495 is an apocalyptic number.

2221495 is a deficient number, since it is larger than the sum of its proper divisors (554537).

2221495 is a wasteful number, since it uses less digits than its factorization.

2221495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its digits is 1440, while the sum is 25.

The square root of 2221495 is about 1490.4680472925. The cubic root of 2221495 is about 130.4813515922.

The spelling of 2221495 in words is "two million, two hundred twenty-one thousand, four hundred ninety-five".