3622100225 has 12 divisors (see below), whose sum is σ = 4523720880. Its totient is φ = 2876830800.

The previous prime is 3622100221. The next prime is 3622100239. The reversal of 3622100225 is 5220012263.

It is not a de Polignac number, because 3622100225 - 2² = 3622100221 is a prime.

It is a super-2 number, since 2×3622100225² = 26239220079890101250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3622100225.

It is not an unprimeable number, because it can be changed into a prime (3622100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517691 + ... + 524640.

It is an arithmetic number, because the mean of its divisors is an integer number (376976740).

Almost surely, 2^3622100225 is an apocalyptic number.

It is an amenable number.

3622100225 is a deficient number, since it is larger than the sum of its proper divisors (901620655).

3622100225 is a wasteful number, since it uses less digits than its factorization.

3622100225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042480 (or 1042475 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3622100225 is about 60183.8867555096. The cubic root of 3622100225 is about 1535.7486931125.

Adding to 3622100225 its reverse (5220012263), we get a palindrome (8842112488).

The spelling of 3622100225 in words is "three billion, six hundred twenty-two million, one hundred thousand, two hundred twenty-five".