22434525 has 18 divisors (see below), whose sum is σ = 40183130. Its totient is φ = 11964960.

The previous prime is 22434521. The next prime is 22434539. The reversal of 22434525 is 52543422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6610041 + 15824484 = 2571^2 + 3978^2 .

It is not a de Polignac number, because 22434525 - 2² = 22434521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49630 + ... + 50079.

Almost surely, 2^22434525 is an apocalyptic number.

22434525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22434525 is a deficient number, since it is larger than the sum of its proper divisors (17748605).

22434525 is a wasteful number, since it uses less digits than its factorization.

22434525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99725 (or 99717 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 22434525 is about 4736.5097909748. The cubic root of 22434525 is about 282.0367011234.

Adding to 22434525 its reverse (52543422), we get a palindrome (74977947).

The spelling of 22434525 in words is "twenty-two million, four hundred thirty-four thousand, five hundred twenty-five".