2662220 has 24 divisors (see below), whose sum is σ = 6099408. Its totient is φ = 968000.

The previous prime is 2662211. The next prime is 2662271. The reversal of 2662220 is 222662.

2662220 is digitally balanced in base 2, 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 2662192 and 2662201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5831 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (254142).

2^2662220 is an apocalyptic number.

2662220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2662220 is an abundant number, since it is smaller than the sum of its proper divisors (3437188).

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

2662220 is a wasteful number, since it uses less digits than its factorization.

2662220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121 (or 12119 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2662220 is about 1631.6310857544. The cubic root of 2662220 is about 138.5951333258.

Adding to 2662220 its reverse (222662), we get a palindrome (2884882).

It can be divided in two parts, 2662 and 220, that added together give a palindrome (2882).

The spelling of 2662220 in words is "two million, six hundred sixty-two thousand, two hundred twenty".