2606220 has 36 divisors (see below), whose sum is σ = 7906080. Its totient is φ = 694944.

The previous prime is 2606189. The next prime is 2606221. The reversal of 2606220 is 226062.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2606193 and 2606202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7060 + ... + 7419.

2^2606220 is an apocalyptic number.

2606220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606220 is an abundant number, since it is smaller than the sum of its proper divisors (5299860).

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

2606220 is a wasteful number, since it uses less digits than its factorization.

2606220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494 (or 14489 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2606220 is about 1614.3791376254. The cubic root of 2606220 is about 137.6164523099.

The spelling of 2606220 in words is "two million, six hundred six thousand, two hundred twenty".