226890155 has 8 divisors (see below), whose sum is σ = 272356992. Its totient is φ = 181452928.

The previous prime is 226890127. The next prime is 226890163. The reversal of 226890155 is 551098622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226890155 - 2⁶ = 226890091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16454 + ... + 26916.

It is an arithmetic number, because the mean of its divisors is an integer number (34044624).

Almost surely, 2^226890155 is an apocalyptic number.

226890155 is a deficient number, since it is larger than the sum of its proper divisors (45466837).

226890155 is a wasteful number, since it uses less digits than its factorization.

226890155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14805.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 226890155 is about 15062.8733978614. The cubic root of 226890155 is about 609.9186086873.

The spelling of 226890155 in words is "two hundred twenty-six million, eight hundred ninety thousand, one hundred fifty-five".