2215450 has 24 divisors (see below), whose sum is σ = 4196160. Its totient is φ = 870000.

The previous prime is 2215417. The next prime is 2215463. The reversal of 2215450 is 545122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2575 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (174840).

2^2215450 is an apocalyptic number.

2215450 is a deficient number, since it is larger than the sum of its proper divisors (1980710).

2215450 is a wasteful number, since it uses less digits than its factorization.

2215450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2215450 is about 1488.4387793927. The cubic root of 2215450 is about 130.3628913817.

It can be divided in two parts, 221 and 5450, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 2215450 in words is "two million, two hundred fifteen thousand, four hundred fifty".