3620222 has 16 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 1677528.

The previous prime is 3620209. The next prime is 3620231. The reversal of 3620222 is 2220263.

It is a self number, because there is not a number n which added to its sum of digits gives 3620222.

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, 773 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (365040).

Almost surely, 2^3620222 is an apocalyptic number.

3620222 is a deficient number, since it is larger than the sum of its proper divisors (2220418).

3620222 is a wasteful number, since it uses less digits than its factorization.

3620222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3620222 is about 1902.6880984544. The cubic root of 3620222 is about 153.5483195185.

Adding to 3620222 its reverse (2220263), we get a palindrome (5840485).

The spelling of 3620222 in words is "three million, six hundred twenty thousand, two hundred twenty-two".