22625121 has 8 divisors (see below), whose sum is σ = 30189600. Its totient is φ = 15072032.

The previous prime is 22625107. The next prime is 22625129. The reversal of 22625121 is 12152622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22625121 - 2⁵ = 22625089 is a prime.

It is a super-2 number, since 2×22625121² = 1023792200529282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22625129) 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 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (3773700).

Almost surely, 2^22625121 is an apocalyptic number.

It is an amenable number.

22625121 is a deficient number, since it is larger than the sum of its proper divisors (7564479).

22625121 is a wasteful number, since it uses less digits than its factorization.

22625121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695.

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

The square root of 22625121 is about 4756.5871168307. The cubic root of 22625121 is about 282.8331454928.

Adding to 22625121 its reverse (12152622), we get a palindrome (34777743).

The spelling of 22625121 in words is "twenty-two million, six hundred twenty-five thousand, one hundred twenty-one".