2215266 has 8 divisors (see below), whose sum is σ = 4430544. Its totient is φ = 738420.

The previous prime is 2215237. The next prime is 2215277. The reversal of 2215266 is 6625122.

It is a sphenic number, since it is the product of 3 distinct primes.

2215266 is an admirable number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 2¹³ + 1 + 5⁵ + 2¹⁹ + 6² + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184600 + ... + 184611.

It is an arithmetic number, because the mean of its divisors is an integer number (553818).

2^2215266 is an apocalyptic number.

2215266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2215266 is a wasteful number, since it uses less digits than its factorization.

2215266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369216.

The product of its digits is 1440, while the sum is 24.

The square root of 2215266 is about 1488.3769683786. The cubic root of 2215266 is about 130.3592822675.

The spelling of 2215266 in words is "two million, two hundred fifteen thousand, two hundred sixty-six".