2212620 has 24 divisors (see below), whose sum is σ = 6195504. Its totient is φ = 590016.

The previous prime is 2212589. The next prime is 2212627. The reversal of 2212620 is 262122.

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 2212620.

It is not an unprimeable number, because it can be changed into a prime (2212627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18379 + ... + 18498.

It is an arithmetic number, because the mean of its divisors is an integer number (258146).

2^2212620 is an apocalyptic number.

2212620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212620 is an abundant number, since it is smaller than the sum of its proper divisors (3982884).

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

2212620 is a wasteful number, since it uses less digits than its factorization.

2212620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36889 (or 36887 counting only the distinct ones).

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

The square root of 2212620 is about 1487.4878150761. The cubic root of 2212620 is about 130.3073595210.

Adding to 2212620 its reverse (262122), we get a palindrome (2474742).

The spelling of 2212620 in words is "two million, two hundred twelve thousand, six hundred twenty".