2220136 has 16 divisors (see below), whose sum is σ = 4207140. Its totient is φ = 1098240.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220136 is 6310222.

It can be written as a sum of positive squares in 2 ways, for example, as 2220100 + 36 = 1490^2 + 6^2 .

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, 655 + ... + 2206.

2^2220136 is an apocalyptic number.

It is an amenable number.

2220136 is a deficient number, since it is larger than the sum of its proper divisors (1987004).

2220136 is a wasteful number, since it uses less digits than its factorization.

2220136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2220136 is about 1490.0120804879. The cubic root of 2220136 is about 130.4547388339.

Adding to 2220136 its reverse (6310222), we get a palindrome (8530358).

It can be divided in two parts, 22201 and 36, that multiplied together give a square (799236 = 894²).

The spelling of 2220136 in words is "two million, two hundred twenty thousand, one hundred thirty-six".