2221025925 has 12 divisors (see below), whose sum is σ = 3672096320. Its totient is φ = 1184547120.

The previous prime is 2221025923. The next prime is 2221025927. The reversal of 2221025925 is 5295201222.

It is an interprime number because it is at equal distance from previous prime (2221025923) and next prime (2221025927).

It is not a de Polignac number, because 2221025925 - 2¹ = 2221025923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221025892 and 2221025901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221025923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14806765 + ... + 14806914.

Almost surely, 2^2221025925 is an apocalyptic number.

2221025925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2221025925 is a deficient number, since it is larger than the sum of its proper divisors (1451070395).

2221025925 is a wasteful number, since it uses less digits than its factorization.

2221025925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29613692 (or 29613687 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2221025925 is about 47127.7617227893. The cubic root of 2221025925 is about 1304.7216710928.

The spelling of 2221025925 in words is "two billion, two hundred twenty-one million, twenty-five thousand, nine hundred twenty-five".