2215320 has 32 divisors (see below), whose sum is σ = 6646320. Its totient is φ = 590720.

The previous prime is 2215319. The next prime is 2215327. The reversal of 2215320 is 235122.

2215320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2215320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9111 + ... + 9350.

2^2215320 is an apocalyptic number.

2215320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215320 is an abundant number, since it is smaller than the sum of its proper divisors (4431000).

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

2215320 is a wasteful number, since it uses less digits than its factorization.

2215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18475 (or 18471 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2215320 is about 1488.3951088337. The cubic root of 2215320 is about 130.3603414847.

The spelling of 2215320 in words is "two million, two hundred fifteen thousand, three hundred twenty".