2072220225 has 24 divisors (see below), whose sum is σ = 3452240352. Its totient is φ = 1096742400.

The previous prime is 2072220211. The next prime is 2072220257. The reversal of 2072220225 is 5220222702.

It is not a de Polignac number, because 2072220225 - 2⁴ = 2072220209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2072220195 and 2072220204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95632 + ... + 115281.

It is an arithmetic number, because the mean of its divisors is an integer number (143843348).

Almost surely, 2^2072220225 is an apocalyptic number.

2072220225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2072220225 is a deficient number, since it is larger than the sum of its proper divisors (1380020127).

2072220225 is a wasteful number, since it uses less digits than its factorization.

2072220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211057 (or 211052 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 2072220225 is about 45521.6456754366. The cubic root of 2072220225 is about 1274.9073827379.

Adding to 2072220225 its reverse (5220222702), we get a palindrome (7292442927).

The spelling of 2072220225 in words is "two billion, seventy-two million, two hundred twenty thousand, two hundred twenty-five".