22253525 has 12 divisors (see below), whose sum is σ = 31536672. Its totient is φ = 15259440.

The previous prime is 22253521. The next prime is 22253551. The reversal of 22253525 is 52535222.

It is a happy number.

It is not a de Polignac number, because 22253525 - 2² = 22253521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22253494 and 22253503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253521) 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, 63407 + ... + 63756.

It is an arithmetic number, because the mean of its divisors is an integer number (2628056).

Almost surely, 2^22253525 is an apocalyptic number.

22253525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22253525 is a deficient number, since it is larger than the sum of its proper divisors (9283147).

22253525 is a wasteful number, since it uses less digits than its factorization.

22253525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127180 (or 127175 counting only the distinct ones).

The product of its digits is 6000, while the sum is 26.

The square root of 22253525 is about 4717.3642004831. The cubic root of 22253525 is about 281.2761687585.

Adding to 22253525 its reverse (52535222), we get a palindrome (74788747).

The spelling of 22253525 in words is "twenty-two million, two hundred fifty-three thousand, five hundred twenty-five".