2220102 has 16 divisors (see below), whose sum is σ = 4933680. Its totient is φ = 740016.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220102 is 2010222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 20503 + ... + 20610.

It is an arithmetic number, because the mean of its divisors is an integer number (308355).

2^2220102 is an apocalyptic number.

2220102 is an abundant number, since it is smaller than the sum of its proper divisors (2713578).

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

2220102 is a wasteful number, since it uses less digits than its factorization.

2220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41124 (or 41118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2220102 is about 1490.0006711408. Note that the first 3 decimals coincide. The cubic root of 2220102 is about 130.4540728861.

Adding to 2220102 its reverse (2010222), we get a palindrome (4230324).

It can be divided in two parts, 22 and 20102, that multiplied together give a palindrome (442244).

The spelling of 2220102 in words is "two million, two hundred twenty thousand, one hundred two".