2612220 has 96 divisors (see below), whose sum is σ = 8382528. Its totient is φ = 602112.

The previous prime is 2612209. The next prime is 2612243. The reversal of 2612220 is 222162.

2612220 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 2612220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13162 + ... + 13358.

It is an arithmetic number, because the mean of its divisors is an integer number (87318).

2^2612220 is an apocalyptic number.

2612220 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 2612220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4191264).

2612220 is an abundant number, since it is smaller than the sum of its proper divisors (5770308).

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

2612220 is a wasteful number, since it uses less digits than its factorization.

2612220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2612220 is about 1616.2363688520. The cubic root of 2612220 is about 137.7219775387.

Adding to 2612220 its reverse (222162), we get a palindrome (2834382).

It can be divided in two parts, 26 and 12220, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 2612220 in words is "two million, six hundred twelve thousand, two hundred twenty".