2221266 has 16 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 736848.

The previous prime is 2221259. The next prime is 2221273. The reversal of 2221266 is 6621222.

It is an interprime number because it is at equal distance from previous prime (2221259) and next prime (2221273).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (279000).

2^2221266 is an apocalyptic number.

2221266 is an abundant number, since it is smaller than the sum of its proper divisors (2242734).

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

2221266 is a wasteful number, since it uses less digits than its factorization.

2221266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its digits is 576, while the sum is 21.

The square root of 2221266 is about 1490.3912238067. The cubic root of 2221266 is about 130.4768679364.

Adding to 2221266 its reverse (6621222), we get a palindrome (8842488).

The spelling of 2221266 in words is "two million, two hundred twenty-one thousand, two hundred sixty-six".