3620207225 has 6 divisors (see below), whose sum is σ = 4489056990. Its totient is φ = 2896165760.

The previous prime is 3620207219. The next prime is 3620207231. The reversal of 3620207225 is 5227020263.

It is an interprime number because it is at equal distance from previous prime (3620207219) and next prime (3620207231).

It can be written as a sum of positive squares in 3 ways, for example, as 1081357456 + 2538849769 = 32884^2 + 50387^2 .

It is not a de Polignac number, because 3620207225 - 2⁴ = 3620207209 is a prime.

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, 72404120 + ... + 72404169.

It is an arithmetic number, because the mean of its divisors is an integer number (748176165).

Almost surely, 2^3620207225 is an apocalyptic number.

It is an amenable number.

3620207225 is a deficient number, since it is larger than the sum of its proper divisors (868849765).

3620207225 is a wasteful number, since it uses less digits than its factorization.

3620207225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144808299 (or 144808294 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3620207225 is about 60168.1578993407. The cubic root of 3620207225 is about 1535.4811062894.

Adding to 3620207225 its reverse (5227020263), we get a palindrome (8847227488).

The spelling of 3620207225 in words is "three billion, six hundred twenty million, two hundred seven thousand, two hundred twenty-five".