22740025 has 24 divisors (see below), whose sum is σ = 35158464. Its totient is φ = 14174400.

The previous prime is 22739993. The next prime is 22740043. The reversal of 22740025 is 52004722.

It is not a de Polignac number, because 22740025 - 2⁵ = 22739993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22739978 and 22740005.

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, 3982 + ... + 7831.

It is an arithmetic number, because the mean of its divisors is an integer number (1464936).

Almost surely, 2^22740025 is an apocalyptic number.

22740025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22740025 is a deficient number, since it is larger than the sum of its proper divisors (12418439).

22740025 is a wasteful number, since it uses less digits than its factorization.

22740025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841 (or 11836 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22740025 is about 4768.6502283141. The cubic root of 22740025 is about 283.3111362849.

Adding to 22740025 its reverse (52004722), we get a palindrome (74744747).

It can be divided in two parts, 22 and 740025, that added together give a palindrome (740047).

The spelling of 22740025 in words is "twenty-two million, seven hundred forty thousand, twenty-five".