22880145 has 8 divisors (see below), whose sum is σ = 36608256. Its totient is φ = 12202736.

The previous prime is 22880119. The next prime is 22880149. The reversal of 22880145 is 54108822.

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 22880145 - 2⁷ = 22880017 is a prime.

It is a super-3 number, since 3×22880145³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22880149) 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, 762657 + ... + 762686.

It is an arithmetic number, because the mean of its divisors is an integer number (4576032).

Almost surely, 2^22880145 is an apocalyptic number.

It is an amenable number.

22880145 is a deficient number, since it is larger than the sum of its proper divisors (13728111).

22880145 is a wasteful number, since it uses less digits than its factorization.

22880145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525351.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 22880145 is about 4783.3194541030. The cubic root of 22880145 is about 283.8918494835.

Adding to 22880145 its reverse (54108822), we get a palindrome (76988967).

The spelling of 22880145 in words is "twenty-two million, eight hundred eighty thousand, one hundred forty-five".