2601220 has 24 divisors (see below), whose sum is σ = 5531904. Its totient is φ = 1027296.

The previous prime is 2601197. The next prime is 2601239. The reversal of 2601220 is 221062.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2601220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (230496).

2^2601220 is an apocalyptic number.

2601220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2601220 is an abundant number, since it is smaller than the sum of its proper divisors (2930684).

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

2601220 is a wasteful number, since it uses less digits than its factorization.

2601220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2601220 is about 1612.8298112324. The cubic root of 2601220 is about 137.5283908317.

Adding to 2601220 its reverse (221062), we get a palindrome (2822282).

The spelling of 2601220 in words is "two million, six hundred one thousand, two hundred twenty".