22625321 has 8 divisors (see below), whose sum is σ = 22869000. Its totient is φ = 22383360.

The previous prime is 22625311. The next prime is 22625341. The reversal of 22625321 is 12352622.

It can be written as a sum of positive squares in 4 ways, for example, as 3168400 + 19456921 = 1780^2 + 4411^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22625321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22625311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64655 + ... + 65003.

It is an arithmetic number, because the mean of its divisors is an integer number (2858625).

Almost surely, 2^22625321 is an apocalyptic number.

It is an amenable number.

22625321 is a deficient number, since it is larger than the sum of its proper divisors (243679).

22625321 is a wasteful number, since it uses less digits than its factorization.

22625321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its digits is 1440, while the sum is 23.

The square root of 22625321 is about 4756.6081402613. The cubic root of 22625321 is about 282.8339788801.

Adding to 22625321 its reverse (12352622), we get a palindrome (34977943).

The spelling of 22625321 in words is "twenty-two million, six hundred twenty-five thousand, three hundred twenty-one".