225455111 has 4 divisors (see below), whose sum is σ = 257662992. Its totient is φ = 193247232.

The previous prime is 225455093. The next prime is 225455119. The reversal of 225455111 is 111554522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225455111 - 2¹⁰ = 225454087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225455119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16103930 + ... + 16103943.

It is an arithmetic number, because the mean of its divisors is an integer number (64415748).

Almost surely, 2^225455111 is an apocalyptic number.

225455111 is a deficient number, since it is larger than the sum of its proper divisors (32207881).

225455111 is an equidigital number, since it uses as much as digits as its factorization.

225455111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32207880.

The product of its digits is 2000, while the sum is 26.

The square root of 225455111 is about 15015.1627030812. The cubic root of 225455111 is about 608.6300088585.

The spelling of 225455111 in words is "two hundred twenty-five million, four hundred fifty-five thousand, one hundred eleven".