22270025 has 12 divisors (see below), whose sum is σ = 27927900. Its totient is φ = 17614080.

The previous prime is 22270019. The next prime is 22270097. The reversal of 22270025 is 52007222.

It can be written as a sum of positive squares in 6 ways, for example, as 67081 + 22202944 = 259^2 + 4712^2 .

It is not a de Polignac number, because 22270025 - 2⁴ = 22270009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22269979 and 22270006.

It is an unprimeable number.

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, 2780 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (2327325).

Almost surely, 2^22270025 is an apocalyptic number.

22270025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22270025 is a deficient number, since it is larger than the sum of its proper divisors (5657875).

22270025 is a wasteful number, since it uses less digits than its factorization.

22270025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108 (or 10103 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22270025 is about 4719.1127344025. The cubic root of 22270025 is about 281.3456695111.

Adding to 22270025 its reverse (52007222), we get a palindrome (74277247).

The spelling of 22270025 in words is "twenty-two million, two hundred seventy thousand, twenty-five".