22845121 has 8 divisors (see below), whose sum is σ = 24664640. Its totient is φ = 21034512.

The previous prime is 22845107. The next prime is 22845133. The reversal of 22845121 is 12154822.

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 22845121 - 2⁷ = 22844993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22845521) 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, 3706 + ... + 7708.

It is an arithmetic number, because the mean of its divisors is an integer number (3083080).

Almost surely, 2^22845121 is an apocalyptic number.

It is an amenable number.

22845121 is a deficient number, since it is larger than the sum of its proper divisors (1819519).

22845121 is a wasteful number, since it uses less digits than its factorization.

22845121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455.

The product of its digits is 1280, while the sum is 25.

The square root of 22845121 is about 4779.6569960615. The cubic root of 22845121 is about 283.7469187890.

Adding to 22845121 its reverse (12154822), we get a palindrome (34999943).

The spelling of 22845121 in words is "twenty-two million, eight hundred forty-five thousand, one hundred twenty-one".