22612125 has 32 divisors (see below), whose sum is σ = 39851136. Its totient is φ = 11347200.

The previous prime is 22612111. The next prime is 22612129. The reversal of 22612125 is 52121622.

It is a happy number.

It is not a de Polignac number, because 22612125 - 2⁶ = 22612061 is a prime.

It is a super-2 number, since 2×22612125² = 1022616394031250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22612129) 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 31 ways as a sum of consecutive naturals, for example, 4602 + ... + 8148.

It is an arithmetic number, because the mean of its divisors is an integer number (1245348).

Almost surely, 2^22612125 is an apocalyptic number.

22612125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22612125 is a deficient number, since it is larger than the sum of its proper divisors (17239011).

22612125 is a wasteful number, since it uses less digits than its factorization.

22612125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3572 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 22612125 is about 4755.2208150621. The cubic root of 22612125 is about 282.7789814574.

Adding to 22612125 its reverse (52121622), we get a palindrome (74733747).

The spelling of 22612125 in words is "twenty-two million, six hundred twelve thousand, one hundred twenty-five".