22354525 has 6 divisors (see below), whose sum is σ = 27719642. Its totient is φ = 17883600.

The previous prime is 22354517. The next prime is 22354531. The reversal of 22354525 is 52545322.

It can be written as a sum of positive squares in 3 ways, for example, as 7284601 + 15069924 = 2699^2 + 3882^2 .

It is not a de Polignac number, because 22354525 - 2³ = 22354517 is a prime.

It is a super-3 number, since 3×22354525³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22354493 and 22354502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447066 + ... + 447115.

Almost surely, 2^22354525 is an apocalyptic number.

22354525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22354525 is a deficient number, since it is larger than the sum of its proper divisors (5365117).

22354525 is an equidigital number, since it uses as much as digits as its factorization.

22354525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894191 (or 894186 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 22354525 is about 4728.0572120058. The cubic root of 22354525 is about 281.7010605776.

Adding to 22354525 its reverse (52545322), we get a palindrome (74899847).

The spelling of 22354525 in words is "twenty-two million, three hundred fifty-four thousand, five hundred twenty-five".