2207590225 has 9 divisors (see below), whose sum is σ = 2737703217. Its totient is φ = 1765884240.

The previous prime is 2207590223. The next prime is 2207590241. The reversal of 2207590225 is 5220957022.

The square root of 2207590225 is 46985.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1255497489 + 952092736 = 35433^2 + 30856^2 .

It is not a de Polignac number, because 2207590225 - 2¹ = 2207590223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2207590223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 230227 + ... + 239623.

Almost surely, 2^2207590225 is an apocalyptic number.

2207590225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2207590225 is the 46985-th square number.

2207590225 is the 23493-rd centered octagonal number.

It is an amenable number.

2207590225 is a deficient number, since it is larger than the sum of its proper divisors (530112992).

2207590225 is an frugal number, since it uses more digits than its factorization.

2207590225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804 (or 9402 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The cubic root of 2207590225 is about 1302.0854545089.

The spelling of 2207590225 in words is "two billion, two hundred seven million, five hundred ninety thousand, two hundred twenty-five".