225552443 has 2 divisors, whose sum is σ = 225552444. Its totient is φ = 225552442.

The previous prime is 225552427. The next prime is 225552461. The reversal of 225552443 is 344255522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225552443 - 2⁴ = 225552427 is a prime.

It is not a weakly prime, because it can be changed into another prime (225552403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112776221 + 112776222.

It is an arithmetic number, because the mean of its divisors is an integer number (112776222).

Almost surely, 2^225552443 is an apocalyptic number.

225552443 is a deficient number, since it is larger than the sum of its proper divisors (1).

225552443 is an equidigital number, since it uses as much as digits as its factorization.

225552443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48000, while the sum is 32.

The square root of 225552443 is about 15018.4034770677. The cubic root of 225552443 is about 608.7175808412.

The spelling of 225552443 in words is "two hundred twenty-five million, five hundred fifty-two thousand, four hundred forty-three".