233422225 has 12 divisors (see below), whose sum is σ = 296504460. Its totient is φ = 182182400.

The previous prime is 233422181. The next prime is 233422243. The reversal of 233422225 is 522224332.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20466576 + 212955649 = 4524^2 + 14593^2 .

It is not a de Polignac number, because 233422225 - 2⁷ = 233422097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 233422225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112840 + ... + 114889.

It is an arithmetic number, because the mean of its divisors is an integer number (24708705).

Almost surely, 2^233422225 is an apocalyptic number.

233422225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233422225 is a deficient number, since it is larger than the sum of its proper divisors (63082235).

233422225 is a wasteful number, since it uses less digits than its factorization.

233422225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227780 (or 227775 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 233422225 is about 15278.1617022468. The cubic root of 233422225 is about 615.7164189524.

Adding to 233422225 its reverse (522224332), we get a palindrome (755646557).

The spelling of 233422225 in words is "two hundred thirty-three million, four hundred twenty-two thousand, two hundred twenty-five".