2215733 has 4 divisors (see below), whose sum is σ = 2386188. Its totient is φ = 2045280.

The previous prime is 2215699. The next prime is 2215777. The reversal of 2215733 is 3375122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 1129969 = 1042^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215733 - 2⁶ = 2215669 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁹ + 1 + 5⁷ + 7⁵ + 3⁷ + 3¹³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215699 and 2215708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85208 + ... + 85233.

It is an arithmetic number, because the mean of its divisors is an integer number (596547).

2^2215733 is an apocalyptic number.

It is an amenable number.

2215733 is a deficient number, since it is larger than the sum of its proper divisors (170455).

2215733 is a wasteful number, since it uses less digits than its factorization.

2215733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170454.

The product of its digits is 1260, while the sum is 23.

The square root of 2215733 is about 1488.5338424100. The cubic root of 2215733 is about 130.3684419662.

The spelling of 2215733 in words is "two million, two hundred fifteen thousand, seven hundred thirty-three".