233402225 has 24 divisors (see below), whose sum is σ = 334770240. Its totient is φ = 158109120.

The previous prime is 233402209. The next prime is 233402227. The reversal of 233402225 is 522204332.

It is not a de Polignac number, because 233402225 - 2⁴ = 233402209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233402225.

It is not an unprimeable number, because it can be changed into a prime (233402227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6491 + ... + 22559.

It is an arithmetic number, because the mean of its divisors is an integer number (13948760).

Almost surely, 2^233402225 is an apocalyptic number.

233402225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233402225 is a deficient number, since it is larger than the sum of its proper divisors (101368015).

233402225 is a wasteful number, since it uses less digits than its factorization.

233402225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16169 (or 16164 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 233402225 is about 15277.5071592194. The cubic root of 233402225 is about 615.6988332517.

Adding to 233402225 its reverse (522204332), we get a palindrome (755606557).

The spelling of 233402225 in words is "two hundred thirty-three million, four hundred two thousand, two hundred twenty-five".