22323225 has 24 divisors (see below), whose sum is σ = 38515392. Its totient is φ = 11387200.

The previous prime is 22323199. The next prime is 22323239. The reversal of 22323225 is 52232322.

It is not a de Polignac number, because 22323225 - 2⁷ = 22323097 is a prime.

It is a super-3 number, since 3×22323225³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

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, 4746 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (1604808).

Almost surely, 2^22323225 is an apocalyptic number.

22323225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22323225 is a deficient number, since it is larger than the sum of its proper divisors (16192167).

22323225 is a wasteful number, since it uses less digits than its factorization.

22323225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977 (or 12972 counting only the distinct ones).

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

The square root of 22323225 is about 4724.7460249203. The cubic root of 22323225 is about 281.5695232774.

Adding to 22323225 its reverse (52232322), we get a palindrome (74555547).

The spelling of 22323225 in words is "twenty-two million, three hundred twenty-three thousand, two hundred twenty-five".