22233225 has 24 divisors (see below), whose sum is σ = 42011200. Its totient is φ = 10163520.

The previous prime is 22233217. The next prime is 22233257. The reversal of 22233225 is 52233222.

It is not a de Polignac number, because 22233225 - 2³ = 22233217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20650 + ... + 21699.

Almost surely, 2^22233225 is an apocalyptic number.

22233225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22233225 is a deficient number, since it is larger than the sum of its proper divisors (19777975).

22233225 is a wasteful number, since it uses less digits than its factorization.

22233225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42369 (or 42364 counting only the distinct ones).

The product of its digits is 1440, while the sum is 21.

The square root of 22233225 is about 4715.2120843076. The cubic root of 22233225 is about 281.1906146223.

Adding to 22233225 its reverse (52233222), we get a palindrome (74466447).

The spelling of 22233225 in words is "twenty-two million, two hundred thirty-three thousand, two hundred twenty-five".