22725141 has 16 divisors (see below), whose sum is σ = 32952384. Its totient is φ = 13872384.

The previous prime is 22725137. The next prime is 22725161. The reversal of 22725141 is 14152722.

It is not a de Polignac number, because 22725141 - 2² = 22725137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135 + ... + 7908.

It is an arithmetic number, because the mean of its divisors is an integer number (2059524).

Almost surely, 2^22725141 is an apocalyptic number.

It is an amenable number.

22725141 is a deficient number, since it is larger than the sum of its proper divisors (10227243).

22725141 is a wasteful number, since it uses less digits than its factorization.

22725141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100.

The product of its digits is 1120, while the sum is 24.

The square root of 22725141 is about 4767.0893635425. The cubic root of 22725141 is about 283.2493110334.

Adding to 22725141 its reverse (14152722), we get a palindrome (36877863).

The spelling of 22725141 in words is "twenty-two million, seven hundred twenty-five thousand, one hundred forty-one".