2220620 has 12 divisors (see below), whose sum is σ = 4663344. Its totient is φ = 888240.

The previous prime is 2220553. The next prime is 2220643. The reversal of 2220620 is 260222.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2220595 and 2220604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55496 + ... + 55535.

It is an arithmetic number, because the mean of its divisors is an integer number (388612).

2^2220620 is an apocalyptic number.

2220620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220620 is an abundant number, since it is smaller than the sum of its proper divisors (2442724).

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

2220620 is a wasteful number, since it uses less digits than its factorization.

2220620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111040 (or 111038 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2220620 is about 1490.1744864277. The cubic root of 2220620 is about 130.4642180588.

Adding to 2220620 its reverse (260222), we get a palindrome (2480842).

The spelling of 2220620 in words is "two million, two hundred twenty thousand, six hundred twenty".