2365220 has 48 divisors (see below), whose sum is σ = 5842368. Its totient is φ = 792960.

The previous prime is 2365217. The next prime is 2365241. The reversal of 2365220 is 225632.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁶ + 3 + 6⁸ + 5⁸ + 2¹⁵ + 2¹⁸ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2365192 and 2365201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2447 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (121716).

2^2365220 is an apocalyptic number.

2365220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2365220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921184).

2365220 is an abundant number, since it is smaller than the sum of its proper divisors (3477148).

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

2365220 is a wasteful number, since it uses less digits than its factorization.

2365220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2365220 is about 1537.9271764294. The cubic root of 2365220 is about 133.2366938619.

The spelling of 2365220 in words is "two million, three hundred sixty-five thousand, two hundred twenty".