22254525 has 18 divisors (see below), whose sum is σ = 39860730. Its totient is φ = 11868960.

The previous prime is 22254523. The next prime is 22254563. The reversal of 22254525 is 52545222.

It can be written as a sum of positive squares in 3 ways, for example, as 4639716 + 17614809 = 2154^2 + 4197^2 .

It is not a de Polignac number, because 22254525 - 2¹ = 22254523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254523) 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, 49230 + ... + 49679.

It is an arithmetic number, because the mean of its divisors is an integer number (2214485).

Almost surely, 2^22254525 is an apocalyptic number.

22254525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22254525 is a deficient number, since it is larger than the sum of its proper divisors (17606205).

22254525 is a wasteful number, since it uses less digits than its factorization.

22254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98925 (or 98917 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22254525 is about 4717.4701906848. The cubic root of 22254525 is about 281.2803819031.

Adding to 22254525 its reverse (52545222), we get a palindrome (74799747).

The spelling of 22254525 in words is "twenty-two million, two hundred fifty-four thousand, five hundred twenty-five".