22841825 has 12 divisors (see below), whose sum is σ = 28591920. Its totient is φ = 18100560.

The previous prime is 22841809. The next prime is 22841827. The reversal of 22841825 is 52814822.

22841825 = 408² + 409² + ... + 514².

It is not a de Polignac number, because 22841825 - 2⁴ = 22841809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22841791 and 22841800.

It is not an unprimeable number, because it can be changed into a prime (22841827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1595 + ... + 6944.

It is an arithmetic number, because the mean of its divisors is an integer number (2382660).

Almost surely, 2^22841825 is an apocalyptic number.

22841825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22841825 is a deficient number, since it is larger than the sum of its proper divisors (5750095).

22841825 is a wasteful number, since it uses less digits than its factorization.

22841825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656 (or 8651 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 22841825 is about 4779.3121890080. The cubic root of 22841825 is about 283.7332721869.

The spelling of 22841825 in words is "twenty-two million, eight hundred forty-one thousand, eight hundred twenty-five".