2220322 has 12 divisors (see below), whose sum is σ = 3606930. Its totient is φ = 1024608.

The previous prime is 2220311. The next prime is 2220331. The reversal of 2220322 is 2230222.

It can be written as a sum of positive squares in 3 ways, for example, as 1610361 + 609961 = 1269^2 + 781^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2947 + ... + 3622.

2^2220322 is an apocalyptic number.

2220322 is a deficient number, since it is larger than the sum of its proper divisors (1386608).

2220322 is a wasteful number, since it uses less digits than its factorization.

2220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597 (or 6584 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2220322 is about 1490.0744947821. The cubic root of 2220322 is about 130.4583818395.

Adding to 2220322 its reverse (2230222), we get a palindrome (4450544).

The spelling of 2220322 in words is "two million, two hundred twenty thousand, three hundred twenty-two".