2215066 has 32 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 867840.

The previous prime is 2215051. The next prime is 2215067. The reversal of 2215066 is 6605122.

2215066 = T₃₀₈ + T₃₀₉ + ... + T₃₄₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9645 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (129276).

2^2215066 is an apocalyptic number.

2215066 is a deficient number, since it is larger than the sum of its proper divisors (1921766).

2215066 is a wasteful number, since it uses less digits than its factorization.

2215066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2215066 is about 1488.3097795822. The cubic root of 2215066 is about 130.3553590906.

The spelling of 2215066 in words is "two million, two hundred fifteen thousand, sixty-six".