22254225 has 96 divisors (see below), whose sum is σ = 46663680. Its totient is φ = 9123840.

The previous prime is 22254161. The next prime is 22254233. The reversal of 22254225 is 52245222.

It is a happy number.

It is not a de Polignac number, because 22254225 - 2⁶ = 22254161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22254195 and 22254204.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 229377 + ... + 229473.

It is an arithmetic number, because the mean of its divisors is an integer number (486080).

Almost surely, 2^22254225 is an apocalyptic number.

22254225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22254225 is an abundant number, since it is smaller than the sum of its proper divisors (24409455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22254225 is a wasteful number, since it uses less digits than its factorization.

22254225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 22254225 is about 4717.4383938744. The cubic root of 22254225 is about 281.2791179729.

Adding to 22254225 its reverse (52245222), we get a palindrome (74499447).

The spelling of 22254225 in words is "twenty-two million, two hundred fifty-four thousand, two hundred twenty-five".