22140025 has 12 divisors (see below), whose sum is σ = 27623232. Its totient is φ = 17602640.

The previous prime is 22139993. The next prime is 22140029. The reversal of 22140025 is 52004122.

It is not a de Polignac number, because 22140025 - 2⁵ = 22139993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22139990 and 22140008.

It is not an unprimeable number, because it can be changed into a prime (22140029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1524 + ... + 6826.

It is an arithmetic number, because the mean of its divisors is an integer number (2301936).

Almost surely, 2^22140025 is an apocalyptic number.

22140025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22140025 is a deficient number, since it is larger than the sum of its proper divisors (5483207).

22140025 is a wasteful number, since it uses less digits than its factorization.

22140025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22140025 is about 4705.3187989763. The cubic root of 22140025 is about 280.7971543841.

Adding to 22140025 its reverse (52004122), we get a palindrome (74144147).

The spelling of 22140025 in words is "twenty-two million, one hundred forty thousand, twenty-five".